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    [Appendix]
    [Detailed Budget Estimates by Agency]
    [National Aeronautics and Space Administration]
    [From the U.S. Government Publishing Office, www.gpo.gov]

             <h1>NATIONAL AERONAUTICS AND SPACE ADMINISTRATION</h1>

          NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
          Federal Funds
             ScienceFor necessary expenses, not otherwise provided for, in the conduct and support of science research and development activities,
                including research, development, operations, support, and services; maintenance and repair, facility planning and design;
                space flight, spacecraft control, and communications activities; program management; personnel and related costs, including
                uniforms or allowances therefor, as authorized by sections 5901 and 5902 of title 5, United States Code; travel expenses;
                purchase and hire of passenger motor vehicles; and purchase, lease, charter, maintenance, and operation of mission and administrative
                aircraft, $6,303,700,000, to remain available until September 30, 2021.
          Note.—A full-year 2019 appropriation for this account was not enacted at the time the budget was prepared; therefore, the
             budget assumes this account is operating under the Continuing Appropriations Act, 2019 (Division C of P.L. 115–245, as amended).
             The amounts included for 2019 reflect the annualized level provided by the continuing resolution.

          Program and Financing (in millions of dollars)

                      Identification code 080–0120–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Obligations by program activity:

                      0001
                      Science
                      6,140
                      6,222
                      6,304

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      298
                      400
                      455

                      1021
                      Recoveries of prior year unpaid obligations
                      30
                      55
                      55

                      1050
                      Unobligated balance (total)
                      328
                      455
                      510

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      6,222
                      6,222
                      6,304

                      1120
                      Appropriations transferred to other accts Space Ops [080–0115]
                      –5

                      1120
                      Appropriations transferred to other acct Aeronautics [080–0126]
                      –5

                      1160
                      Appropriation, discretionary (total)
                      6,212
                      6,222
                      6,304

                      1930
                      Total budgetary resources available
                      6,540
                      6,677
                      6,814

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      400
                      455
                      510

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      3,858
                      4,083
                      4,023

                      3010
                      New obligations, unexpired accounts
                      6,140
                      6,222
                      6,304

                      3011
                      Obligations ("upward adjustments"), expired accounts
                      14

                      3020
                      Outlays (gross)
                      –5,847
                      –6,227
                      –6,316

                      3040
                      Recoveries of prior year unpaid obligations, unexpired
                      –30
                      –55
                      –55

                      3041
                      Recoveries of prior year unpaid obligations, expired
                      –52

                      3050
                      Unpaid obligations, end of year
                      4,083
                      4,023
                      3,956

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      3,858
                      4,083
                      4,023

                      3200
                      Obligated balance, end of year
                      4,083
                      4,023
                      3,956

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      6,212
                      6,222
                      6,304

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      2,387
                      2,489
                      2,522

                      4011
                      Outlays from discretionary balances
                      3,460
                      3,738
                      3,794

                      4020
                      Outlays, gross (total)
                      5,847
                      6,227
                      6,316

                      4180
                      Budget authority, net (total)
                      6,212
                      6,222
                      6,304

                      4190
                      Outlays, net (total)
                      5,847
                      6,227
                      6,316

             The Science appropriation provides for NASA's science mission, which is comprised of the agency's Earth and space science
                programs: Earth Science, Planetary Science, Heliophysics, the James Webb Space Telescope, and Astrophysics. These programs,
                which are managed by the Science Mission Directorate, focus on three interdisciplinary objectives: discovering the secrets
                of the Universe; searching for life in the Solar System and beyond; and safeguarding and improving life on Earth. These objectives
                include research concerning the global Earth system; other planets in the solar system and around other stars; the connections
                among the Sun, Earth, and heliosphere; and the origin and evolution of planetary systems, the galaxy, and the universe, including
                the origin and distribution of life in the universe. Program objectives are pursued through robotic flight missions, ground-based
                scientific research and data analysis, and the development of new technologies for future missions. Additionally, the Budget
                funds within Science a lunar robotic exploration program that will support innovative approaches to achieving human and science
                exploration goals.

             The Science appropriation provides for all of the research, development, operations, salaries and related expenses, and other
                general and administrative activities required to execute the programs within this account. Costs include labor, travel, procurement,
                and test and fabrication costs. Performance goals associated with these activities are addressed in NASA's detailed budget
                request.

          Object Classification (in millions of dollars)

                      Identification code 080–0120–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Direct obligations:

                      Personnel compensation:

                      11.1
                      Full-time permanent
                      243
                      246
                      249

                      11.3
                      Other than full-time permanent
                      3
                      3
                      3

                      11.5
                      Other personnel compensation
                      1
                      1
                      1

                      11.9
                      Total personnel compensation
                      247
                      250
                      253

                      12.1
                      Civilian personnel benefits
                      78
                      79
                      80

                      21.0
                      Travel and transportation of persons
                      25
                      25
                      26

                      22.0
                      Transportation of things
                      7
                      7
                      7

                      23.2
                      Rental payments to others
                      3
                      3
                      3

                      23.3
                      Communications, utilities, and miscellaneous charges
                      5
                      5
                      5

                      24.0
                      Printing and reproduction
                      1
                      1
                      1

                      25.1
                      Advisory and assistance services
                      76
                      77
                      78

                      25.2
                      Other services from non-Federal sources
                      206
                      209
                      212

                      25.3
                      Other goods and services from Federal sources
                      217
                      220
                      223

                      25.4
                      Operation and maintenance of facilities
                      18
                      18
                      18

                      25.5
                      Research and development contracts
                      4,299
                      4,357
                      4,414

                      25.7
                      Operation and maintenance of equipment
                      113
                      115
                      116

                      26.0
                      Supplies and materials
                      29
                      29
                      30

                      31.0
                      Equipment
                      44
                      45
                      45

                      32.0
                      Land and structures
                      2
                      2
                      2

                      41.0
                      Grants, subsidies, and contributions
                      770
                      780
                      791

                      99.9
                      Total new obligations, unexpired accounts
                      6,140
                      6,222
                      6,304

          Employment Summary

                      Identification code 080–0120–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      1001
                      Direct civilian full-time equivalent employment
                      1,875
                      1,876
                      1,864

             AeronauticsFor necessary expenses, not otherwise provided for, in the conduct and support of aeronautics research and development activities,
                including research, development, operations, support, and services; maintenance and repair, facility planning and design;
                space flight, spacecraft control, and communications activities; program management; personnel and related costs, including
                uniforms or allowances therefor, as authorized by sections 5901 and 5902 of title 5, United States Code; travel expenses;
                purchase and hire of passenger motor vehicles; and purchase, lease, charter, maintenance, and operation of mission and administrative
                aircraft, $666,900,000, to remain available until September 30, 2021.
          Note.—A full-year 2019 appropriation for this account was not enacted at the time the budget was prepared; therefore, the
             budget assumes this account is operating under the Continuing Appropriations Act, 2019 (Division C of P.L. 115–245, as amended).
             The amounts included for 2019 reflect the annualized level provided by the continuing resolution.

          Program and Financing (in millions of dollars)

                      Identification code 080–0126–0–1–402
                      2018 actual
                      2019 est.
                      2020 est.

                      Obligations by program activity:

                      0001
                      Aeronautics
                      684
                      685
                      667

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      13
                      25
                      35

                      1021
                      Recoveries of prior year unpaid obligations
                      6
                      10
                      10

                      1050
                      Unobligated balance (total)
                      19
                      35
                      45

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      685
                      685
                      667

                      1121
                      Appropriations transferred from other acct Science [080–0120]
                      5

                      1160
                      Appropriation, discretionary (total)
                      690
                      685
                      667

                      1930
                      Total budgetary resources available
                      709
                      720
                      712

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      25
                      35
                      45

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      368
                      394
                      366

                      3010
                      New obligations, unexpired accounts
                      684
                      685
                      667

                      3011
                      Obligations ("upward adjustments"), expired accounts
                      1

                      3020
                      Outlays (gross)
                      –650
                      –703
                      –693

                      3040
                      Recoveries of prior year unpaid obligations, unexpired
                      –6
                      –10
                      –10

                      3041
                      Recoveries of prior year unpaid obligations, expired
                      –3

                      3050
                      Unpaid obligations, end of year
                      394
                      366
                      330

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      368
                      394
                      366

                      3200
                      Obligated balance, end of year
                      394
                      366
                      330

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      690
                      685
                      667

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      359
                      342
                      334

                      4011
                      Outlays from discretionary balances
                      291
                      361
                      359

                      4020
                      Outlays, gross (total)
                      650
                      703
                      693

                      4180
                      Budget authority, net (total)
                      690
                      685
                      667

                      4190
                      Outlays, net (total)
                      650
                      703
                      693

             This appropriation provides for the full costs associated with NASA's Aeronautics Research mission, which aims to expand the
                boundaries of aeronautical knowledge for the benefit of the nation and the broad aeronautics community. The mission is managed
                by NASA's Aeronautics Research Mission Directorate, and consists of the following integrated research programs: Airspace Operations
                and Safety, Advanced Air Vehicles, Integrated Aviation Systems, and Transformative Aeronautics Concepts. Full costs of these
                programs cover all of the research; development; operations; salaries and related expenses; and other general and administrative
                activities required to execute the programs. Costs include labor, travel, procurement, test, and fabrication costs. Performance
                goals associated with these activities are addressed in NASA's detailed budget request.

          Object Classification (in millions of dollars)

                      Identification code 080–0126–0–1–402
                      2018 actual
                      2019 est.
                      2020 est.

                      Direct obligations:

                      Personnel compensation:

                      11.1
                      Full-time permanent
                      162
                      162
                      158

                      11.3
                      Other than full-time permanent
                      3
                      3
                      3

                      11.9
                      Total personnel compensation
                      165
                      165
                      161

                      12.1
                      Civilian personnel benefits
                      52
                      52
                      51

                      21.0
                      Travel and transportation of persons
                      7
                      7
                      7

                      23.3
                      Communications, utilities, and miscellaneous charges
                      3
                      3
                      3

                      25.1
                      Advisory and assistance services
                      10
                      10
                      10

                      25.2
                      Other services from non-Federal sources
                      26
                      26
                      25

                      25.3
                      Other goods and services from Federal sources
                      8
                      8
                      8

                      25.4
                      Operation and maintenance of facilities
                      24
                      24
                      23

                      25.5
                      Research and development contracts
                      252
                      253
                      245

                      25.7
                      Operation and maintenance of equipment
                      39
                      39
                      38

                      26.0
                      Supplies and materials
                      20
                      20
                      20

                      31.0
                      Equipment
                      26
                      26
                      25

                      32.0
                      Land and structures
                      1
                      1
                      1

                      41.0
                      Grants, subsidies, and contributions
                      51
                      51
                      50

                      99.9
                      Total new obligations, unexpired accounts
                      684
                      685
                      667

          Employment Summary

                      Identification code 080–0126–0–1–402
                      2018 actual
                      2019 est.
                      2020 est.

                      1001
                      Direct civilian full-time equivalent employment
                      1,385
                      1,350
                      1,172

             Exploration TechnologyFor necessary expenses, not otherwise provided for, in the conduct and support of space exploration technology development activities, including research, development, operations, support, and services; maintenance and repair, facility
                planning and design; space flight, spacecraft control, and communications activities; program management; personnel and related
                costs, including uniforms or allowances therefor, as authorized by sections 5901 and 5902 of title 5, United States Code;
                travel expenses; purchase and hire of passenger motor vehicles; and purchase, lease, charter, maintenance, and operation of
                mission and administrative aircraft, $1,014,300,000, to remain available until September 30, 2021.
          Note.—A full-year 2019 appropriation for this account was not enacted at the time the budget was prepared; therefore, the
             budget assumes this account is operating under the Continuing Appropriations Act, 2019 (Division C of P.L. 115–245, as amended).
             The amounts included for 2019 reflect the annualized level provided by the continuing resolution.

          Program and Financing (in millions of dollars)

                      Identification code 080–0131–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Obligations by program activity:

                      0001
                      Exploration Technology
                      771
                      760
                      1,014

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      42
                      40
                      54

                      1021
                      Recoveries of prior year unpaid obligations
                      9
                      14
                      14

                      1050
                      Unobligated balance (total)
                      51
                      54
                      68

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      760
                      760
                      1,014

                      1930
                      Total budgetary resources available
                      811
                      814
                      1,082

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      40
                      54
                      68

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      501
                      528
                      568

                      3010
                      New obligations, unexpired accounts
                      771
                      760
                      1,014

                      3011
                      Obligations ("upward adjustments"), expired accounts
                      1

                      3020
                      Outlays (gross)
                      –733
                      –706
                      –863

                      3040
                      Recoveries of prior year unpaid obligations, unexpired
                      –9
                      –14
                      –14

                      3041
                      Recoveries of prior year unpaid obligations, expired
                      –3

                      3050
                      Unpaid obligations, end of year
                      528
                      568
                      705

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      501
                      528
                      568

                      3200
                      Obligated balance, end of year
                      528
                      568
                      705

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      760
                      760
                      1,014

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      321
                      266
                      355

                      4011
                      Outlays from discretionary balances
                      412
                      440
                      508

                      4020
                      Outlays, gross (total)
                      733
                      706
                      863

                      Offsets against gross budget authority and outlays:

                      Offsetting collections (collected) from:

                      4033
                      Non-Federal sources
                      –1

                      Additional offsets against gross budget authority only:

                      4052
                      Offsetting collections credited to expired accounts
                      1

                      4070
                      Budget authority, net (discretionary)
                      760
                      760
                      1,014

                      4080
                      Outlays, net (discretionary)
                      732
                      706
                      863

                      4180
                      Budget authority, net (total)
                      760
                      760
                      1,014

                      4190
                      Outlays, net (total)
                      732
                      706
                      863

             The FY 2020 President's Budget renames the Space Technology account as Exploration Technology to better reflect the new focus
                of this account on supporting the Exploration Campaign.

             The Exploration Technology appropriation provides for the costs associated with the research and technology development needed
                for space exploration. The full costs provide for all of the research, development, operations, salaries and related expenses,
                and other general and administrative activities required to execute the programs within this account. Costs include labor,
                travel, procurement, and those associated with fabrication, tests and flight demonstrations.

             The programs within Exploration Technology enable and reduce barriers to new exploration missions by drawing on talent from
                the NASA workforce, academia, small businesses and the broader space enterprise to deliver innovative solutions that dramatically
                improve technological capabilities for NASA and the Nation. The Exploration Technology appropriation funds several programs:
                Small Business Innovative Research (SBIR), Small Business Technology Transfer (STTR), Early Stage Innovation & Partnerships,
                Technology Maturation, and Technology Demonstrations. Performance goals associated with these activities are addressed in
                NASA's detailed budget request.

          Object Classification (in millions of dollars)

                      Identification code 080–0131–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Direct obligations:

                      Personnel compensation:

                      11.1
                      Full-time permanent
                      86
                      85
                      90

                      11.3
                      Other than full-time permanent
                      2
                      2
                      3

                      11.9
                      Total personnel compensation
                      88
                      87
                      93

                      12.1
                      Civilian personnel benefits
                      29
                      29
                      38

                      21.0
                      Travel and transportation of persons
                      5
                      5
                      7

                      22.0
                      Transportation of things
                      1
                      1
                      1

                      25.1
                      Advisory and assistance services
                      24
                      24
                      32

                      25.2
                      Other services from non-Federal sources
                      35
                      35
                      46

                      25.3
                      Other goods and services from Federal sources
                      20
                      20
                      26

                      25.4
                      Operation and maintenance of facilities
                      6
                      6
                      8

                      25.5
                      Research and development contracts
                      480
                      471
                      654

                      25.7
                      Operation and maintenance of equipment
                      14
                      14
                      18

                      26.0
                      Supplies and materials
                      9
                      9
                      12

                      31.0
                      Equipment
                      8
                      8
                      11

                      41.0
                      Grants, subsidies, and contributions
                      52
                      51
                      68

                      99.9
                      Total new obligations, unexpired accounts
                      771
                      760
                      1,014

          Employment Summary

                      Identification code 080–0131–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      1001
                      Direct civilian full-time equivalent employment
                      714
                      732
                      672

             Deep Space exploration SystemsFor necessary expenses, not otherwise provided for, in the conduct and support of exploration research and development activities,
                including research, development, production, and operations, support, and services; maintenance and repair, facility planning and design; space flight, spacecraft control,
                and communications activities; program management; personnel and related costs, including uniforms or allowances therefor,
                as authorized by sections 5901 and 5902 of title 5, United States Code; travel expenses; purchase and hire of passenger motor
                vehicles; and purchase, lease, charter, maintenance, and operation of mission and administrative aircraft, $5,021,700,000, to remain available until September 30, 2021.
          Note.—A full-year 2019 appropriation for this account was not enacted at the time the budget was prepared; therefore, the
             budget assumes this account is operating under the Continuing Appropriations Act, 2019 (Division C of P.L. 115–245, as amended).
             The amounts included for 2019 reflect the annualized level provided by the continuing resolution.

          Program and Financing (in millions of dollars)

                      Identification code 080–0124–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Obligations by program activity:

                      0001
                      Deep Space Exploration Systems
                      4,482
                      4,790
                      5,022

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      81
                      416
                      516

                      1021
                      Recoveries of prior year unpaid obligations
                      27
                      100
                      100

                      1050
                      Unobligated balance (total)
                      108
                      516
                      616

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      4,790
                      4,790
                      5,022

                      1930
                      Total budgetary resources available
                      4,898
                      5,306
                      5,638

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      416
                      516
                      616

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      1,403
                      1,375
                      1,224

                      3010
                      New obligations, unexpired accounts
                      4,482
                      4,790
                      5,022

                      3011
                      Obligations ("upward adjustments"), expired accounts
                      2

                      3020
                      Outlays (gross)
                      –4,481
                      –4,841
                      –5,057

                      3040
                      Recoveries of prior year unpaid obligations, unexpired
                      –27
                      –100
                      –100

                      3041
                      Recoveries of prior year unpaid obligations, expired
                      –4

                      3050
                      Unpaid obligations, end of year
                      1,375
                      1,224
                      1,089

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      1,403
                      1,375
                      1,224

                      3200
                      Obligated balance, end of year
                      1,375
                      1,224
                      1,089

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      4,790
                      4,790
                      5,022

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      3,047
                      3,209
                      3,365

                      4011
                      Outlays from discretionary balances
                      1,434
                      1,632
                      1,692

                      4020
                      Outlays, gross (total)
                      4,481
                      4,841
                      5,057

                      4180
                      Budget authority, net (total)
                      4,790
                      4,790
                      5,022

                      4190
                      Outlays, net (total)
                      4,481
                      4,841
                      5,057

             The FY 2020 President's Budget has renamed the Exploration account Deep Space Exploration Systems to better reflect the activities
                in the account.

             This appropriation provides for costs associated with the development of systems and capabilities required for human exploration
                of space. The capabilities include launch and crew vehicles for missions beyond low Earth orbit; providing integrated systems
                to keep astronauts safe, healthy, and functional during deep space missions; and advancing the tools to increase exploration
                capabilities and reduce the launch mass and cost of deep space missions. The full costs provide for the research, development,
                operations, salaries and related expenses, and other general and administrative activities required to execute the programs
                within this account. Costs include labor, travel, procurement, test, and fabrication costs. Performance goals associated with
                these activities are addressed in NASA's detailed budget request.

             NASA's human deep space exploration programs include the Space Launch System, Orion, Exploration Ground Systems under the
                Exploration Systems Development theme, as well as the Exploration Research and Development theme which consists of Advanced
                Exploration Systems, the Gateway, Advanced Cislunar and Space Capabilities, and the Human Research Program.

          Object Classification (in millions of dollars)

                      Identification code 080–0124–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Direct obligations:

                      Personnel compensation:

                      11.1
                      Full-time permanent
                      330
                      353
                      370

                      11.3
                      Other than full-time permanent
                      2
                      2
                      2

                      11.5
                      Other personnel compensation
                      2
                      2
                      2

                      11.8
                      Special personal services payments
                      1
                      1
                      1

                      11.9
                      Total personnel compensation
                      335
                      358
                      375

                      12.1
                      Civilian personnel benefits
                      109
                      116
                      122

                      21.0
                      Travel and transportation of persons
                      14
                      15
                      16

                      22.0
                      Transportation of things
                      1
                      1
                      1

                      23.3
                      Communications, utilities, and miscellaneous charges
                      26
                      28
                      29

                      25.1
                      Advisory and assistance services
                      354
                      378
                      397

                      25.2
                      Other services from non-Federal sources
                      47
                      50
                      53

                      25.3
                      Other goods and services from Federal sources
                      51
                      55
                      57

                      25.4
                      Operation and maintenance of facilities
                      118
                      126
                      132

                      25.5
                      Research and development contracts
                      3,155
                      3,372
                      3,536

                      25.7
                      Operation and maintenance of equipment
                      113
                      121
                      127

                      26.0
                      Supplies and materials
                      29
                      31
                      32

                      31.0
                      Equipment
                      37
                      40
                      41

                      32.0
                      Land and structures
                      45
                      48
                      50

                      41.0
                      Grants, subsidies, and contributions
                      48
                      51
                      54

                      99.9
                      Total new obligations, unexpired accounts
                      4,482
                      4,790
                      5,022

          Employment Summary

                      Identification code 080–0124–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      1001
                      Direct civilian full-time equivalent employment
                      2,750
                      2,629
                      2,758

             Science, Technology, Engineering, and Mathematics EngagementUnobligated balances previously appropriated under this heading or the heading "Education" shall be available for purposes of the closure of the Office of STEM Engagement, including, but not limited to, ongoing administration, oversight, monitoring, and funding of grants previously awarded by the Office
                of STEM Engagement.
          Note.—A full-year 2019 appropriation for this account was not enacted at the time the budget was prepared; therefore, the
             budget assumes this account is operating under the Continuing Appropriations Act, 2019 (Division C of P.L. 115–245, as amended).
             The amounts included for 2019 reflect the annualized level provided by the continuing resolution.

          Program and Financing (in millions of dollars)

                      Identification code 080–0128–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Obligations by program activity:

                      0001
                      STEM Engagement
                      102
                      100

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      8
                      7
                      12

                      1021
                      Recoveries of prior year unpaid obligations
                      1
                      5
                      5

                      1050
                      Unobligated balance (total)
                      9
                      12
                      17

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      100
                      100

                      1930
                      Total budgetary resources available
                      109
                      112
                      17

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      7
                      12
                      17

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      157
                      147
                      116

                      3010
                      New obligations, unexpired accounts
                      102
                      100

                      3011
                      Obligations ("upward adjustments"), expired accounts
                      3

                      3020
                      Outlays (gross)
                      –112
                      –126
                      –69

                      3040
                      Recoveries of prior year unpaid obligations, unexpired
                      –1
                      –5
                      –5

                      3041
                      Recoveries of prior year unpaid obligations, expired
                      –2

                      3050
                      Unpaid obligations, end of year
                      147
                      116
                      42

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      157
                      147
                      116

                      3200
                      Obligated balance, end of year
                      147
                      116
                      42

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      100
                      100

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      11
                      10

                      4011
                      Outlays from discretionary balances
                      101
                      116
                      69

                      4020
                      Outlays, gross (total)
                      112
                      126
                      69

                      Offsets against gross budget authority and outlays:

                      Offsetting collections (collected) from:

                      4033
                      Non-Federal sources
                      –3

                      Additional offsets against gross budget authority only:

                      4052
                      Offsetting collections credited to expired accounts
                      3

                      4070
                      Budget authority, net (discretionary)
                      100
                      100

                      4080
                      Outlays, net (discretionary)
                      109
                      126
                      69

                      4180
                      Budget authority, net (total)
                      100
                      100

                      4190
                      Outlays, net (total)
                      109
                      126
                      69

             The Budget proposes to terminate funding for the Office of Science, Technology, Engineering, and Mathematics (STEM) Engagement's
                portfolio of programs and projects. Unobligated balances previously appropriated under this heading or the heading "Education"
                may be used to support close-out costs. Moving forward, a small team at NASA headquarters funded out of Agency Management
                and Operations will be accountable for strategic direction and coordination of the agency's STEM engagement efforts.

          Object Classification (in millions of dollars)

                      Identification code 080–0128–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      11.1
                      Direct obligations: Personnel compensation: Full-time permanent
                      4
                      4

                      11.9
                      Total personnel compensation
                      4
                      4

                      12.1
                      Civilian personnel benefits
                      1
                      1

                      25.1
                      Advisory and assistance services
                      4
                      4

                      25.2
                      Other services from non-Federal sources
                      4
                      4

                      25.5
                      Research and development contracts
                      3
                      3

                      25.7
                      Operation and maintenance of equipment
                      5
                      5

                      41.0
                      Grants, subsidies, and contributions
                      81
                      79

                      99.9
                      Total new obligations, unexpired accounts
                      102
                      100

          Employment Summary

                      Identification code 080–0128–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      1001
                      Direct civilian full-time equivalent employment
                      34
                      38

             Safety, security and mission servicesFor necessary expenses, not otherwise provided for, in the conduct and support of science, aeronautics, space technology,
                exploration, space operations and education research and development activities, including research, development, operations,
                support, and services; maintenance and repair, facility planning and design; space flight, spacecraft control, and communications
                activities; program management; personnel and related costs, including uniforms or allowances therefor, as authorized by sections
                5901 and 5902 of title 5, United States Code; travel expenses; purchase and hire of passenger motor vehicles; not to exceed
                $63,000 for official reception and representation expenses; and purchase, lease, charter, maintenance, and operation of mission
                and administrative aircraft, $3,084,600,000, to remain available until September 30, 2021.
          Note.—A full-year 2019 appropriation for this account was not enacted at the time the budget was prepared; therefore, the
             budget assumes this account is operating under the Continuing Appropriations Act, 2019 (Division C of P.L. 115–245, as amended).
             The amounts included for 2019 reflect the annualized level provided by the continuing resolution.

          Program and Financing (in millions of dollars)

                      Identification code 080–0122–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Obligations by program activity:

                      0001
                      Safety, Security and Mission Services
                      2,835
                      2,827
                      3,085

                      0801
                      Cross Agency Support (Reimbursable)
                      2,458
                      2,546
                      2,355

                      0900
                      Total new obligations, unexpired accounts
                      5,293
                      5,373
                      5,440

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      451
                      551
                      647

                      1020
                      Adjustment of unobligated bal brought forward, Oct 1
                      –133

                      1021
                      Recoveries of prior year unpaid obligations
                      36
                      96
                      96

                      1033
                      Recoveries of prior year paid obligations
                      7

                      1050
                      Unobligated balance (total)
                      361
                      647
                      743

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      2,827
                      2,827
                      3,085

                      Spending authority from offsetting collections, discretionary:

                      1700
                      Collected
                      2,090
                      2,546
                      2,355

                      1701
                      Change in uncollected payments, Federal sources
                      566

                      1750
                      Spending auth from offsetting collections, disc (total)
                      2,656
                      2,546
                      2,355

                      1900
                      Budget authority (total)
                      5,483
                      5,373
                      5,440

                      1930
                      Total budgetary resources available
                      5,844
                      6,020
                      6,183

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      551
                      647
                      743

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      2,185
                      2,420
                      2,222

                      3010
                      New obligations, unexpired accounts
                      5,293
                      5,373
                      5,440

                      3011
                      Obligations ("upward adjustments"), expired accounts
                      25

                      3020
                      Outlays (gross)
                      –5,027
                      –5,475
                      –5,612

                      3040
                      Recoveries of prior year unpaid obligations, unexpired
                      –36
                      –96
                      –96

                      3041
                      Recoveries of prior year unpaid obligations, expired
                      –20

                      3050
                      Unpaid obligations, end of year
                      2,420
                      2,222
                      1,954

                      Uncollected payments:

                      3060
                      Uncollected pymts, Fed sources, brought forward, Oct 1
                      –1,613
                      –1,882
                      –1,882

                      3061
                      Adjustments to uncollected pymts, Fed sources, brought forward, Oct 1
                      133

                      3070
                      Change in uncollected pymts, Fed sources, unexpired
                      –566

                      3071
                      Change in uncollected pymts, Fed sources, expired
                      164

                      3090
                      Uncollected pymts, Fed sources, end of year
                      –1,882
                      –1,882
                      –1,882

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      705
                      538
                      340

                      3200
                      Obligated balance, end of year
                      538
                      340
                      72

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      5,483
                      5,373
                      5,440

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      2,976
                      3,128
                      3,269

                      4011
                      Outlays from discretionary balances
                      2,051
                      2,347
                      2,343

                      4020
                      Outlays, gross (total)
                      5,027
                      5,475
                      5,612

                      Offsets against gross budget authority and outlays:

                      Offsetting collections (collected) from:

                      4030
                      Federal sources
                      –2,052
                      –2,256
                      –2,094

                      4033
                      Non-Federal sources
                      –216
                      –290
                      –261

                      4040
                      Offsets against gross budget authority  and outlays (total)
                      –2,268
                      –2,546
                      –2,355

                      Additional offsets against gross budget authority only:

                      4050
                      Change in uncollected pymts, Fed sources, unexpired
                      –566

                      4052
                      Offsetting collections credited to expired accounts
                      171

                      4053
                      Recoveries of prior year paid obligations, unexpired accounts
                      7

                      4060
                      Additional offsets against budget authority only (total)
                      –388

                      4070
                      Budget authority, net (discretionary)
                      2,827
                      2,827
                      3,085

                      4080
                      Outlays, net (discretionary)
                      2,759
                      2,929
                      3,257

                      4180
                      Budget authority, net (total)
                      2,827
                      2,827
                      3,085

                      4190
                      Outlays, net (total)
                      2,759
                      2,929
                      3,257

             Safety, Security, and Mission Services (SSMS) manages agency-wide mission support functions and some of NASA's unique research
                facilities.

             This appropriation provides for the operations and maintenance, salaries and related expenses, and other general and administrative
                activities that support all NASA's missions.

             Under SSMS, Center Management and Operations includes the basic costs to manage and operate each of the nine NASA field centers
                and to maintain the technical capabilities required to support the Agency's Mission. The SSMS budget is not directly allocated
                or aligned to specific program or project requirements, but is centralized for efficient and effective administration and
                operation of the NASA Centers.

             Under SSMS, Agency Management and Operations provides for the management and oversight of corporate programs, the performance
                of agency-wide activities and functions, and the maintenance of unique research capabilities and facilities. Responsibilities
                include budget formulation and execution; establishment of management policies, procedures, and performance criteria; evaluation
                of progress; and coordination and integration of the Agency's activities.

          Object Classification (in millions of dollars)

                      Identification code 080–0122–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Direct obligations:

                      Personnel compensation:

                      11.1
                      Full-time permanent
                      884
                      881
                      961

                      11.3
                      Other than full-time permanent
                      18
                      18
                      20

                      11.5
                      Other personnel compensation
                      33
                      33
                      36

                      11.9
                      Total personnel compensation
                      935
                      932
                      1,017

                      12.1
                      Civilian personnel benefits
                      286
                      285
                      311

                      13.0
                      Benefits for former personnel
                      1
                      1
                      1

                      21.0
                      Travel and transportation of persons
                      23
                      23
                      25

                      22.0
                      Transportation of things
                      2
                      2
                      2

                      23.2
                      Rental payments to others
                      39
                      39
                      42

                      23.3
                      Communications, utilities, and miscellaneous charges
                      77
                      77
                      84

                      24.0
                      Printing and reproduction
                      3
                      3
                      3

                      25.1
                      Advisory and assistance services
                      253
                      252
                      275

                      25.2
                      Other services from non-Federal sources
                      232
                      231
                      252

                      25.3
                      Other goods and services from Federal sources
                      61
                      61
                      66

                      25.4
                      Operation and maintenance of facilities
                      249
                      248
                      272

                      25.5
                      Research and development contracts
                      169
                      168
                      184

                      25.6
                      Medical care
                      8
                      8
                      9

                      25.7
                      Operation and maintenance of equipment
                      399
                      397
                      434

                      26.0
                      Supplies and materials
                      22
                      22
                      24

                      31.0
                      Equipment
                      38
                      38
                      41

                      32.0
                      Land and structures
                      17
                      17
                      18

                      41.0
                      Grants, subsidies, and contributions
                      23
                      23
                      25

                      99.0
                      Direct obligations
                      2,837
                      2,827
                      3,085

                      99.0
                      Reimbursable obligations
                      2,456
                      2,546
                      2,355

                      99.9
                      Total new obligations, unexpired accounts
                      5,293
                      5,373
                      5,440

          Employment Summary

                      Identification code 080–0122–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      1001
                      Direct civilian full-time equivalent employment
                      5,692
                      7,668
                      7,858

                      2001
                      Reimbursable civilian full-time equivalent employment
                      1,832
                      284
                      299

             construction and environmental compliance and restorationFor necessary expenses for construction of facilities including repair, rehabilitation, revitalization, and modification of
                facilities, construction of new facilities and additions to existing facilities, facility planning and design, and restoration,
                and acquisition or condemnation of real property, as authorized by law, and environmental compliance and restoration, $600,400,000, to remain available until September 30, 2025: Provided, That proceeds from leases deposited into this account shall be available for a period of 5 years to the extent and in amounts
                as provided in annual appropriations Acts: Provided further, That such proceeds referred to in the preceding proviso shall be available for obligation for fiscal year 2020 in an amount not to exceed $14,900,000: Provided further, That each annual budget request shall include an annual estimate of gross receipts and collections and proposed use of all
                funds collected pursuant to section 20145 of title 51, United States Code.
          Note.—A full-year 2019 appropriation for this account was not enacted at the time the budget was prepared; therefore, the
             budget assumes this account is operating under the Continuing Appropriations Act, 2019 (Division C of P.L. 115–245, as amended).
             The amounts included for 2019 reflect the annualized level provided by the continuing resolution.

          Program and Financing (in millions of dollars)

                      Identification code 080–0130–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Obligations by program activity:

                      0001
                      Construction and Environmental Compliance and Restoration (Direct)
                      575
                      562
                      600

                      0801
                      Construction and Environmental Compliance and Restoration (Reimbursable)
                      7
                      25
                      21

                      0900
                      Total new obligations, unexpired accounts
                      582
                      587
                      621

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      269
                      370
                      445

                      1021
                      Recoveries of prior year unpaid obligations
                      25
                      75
                      75

                      1050
                      Unobligated balance (total)
                      294
                      445
                      520

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      644
                      562
                      600

                      1121
                      Appropriations transferred from other acct Space Operations [080–0115]
                      7

                      1160
                      Appropriation, discretionary (total)
                      651
                      562
                      600

                      Spending authority from offsetting collections, discretionary:

                      1700
                      Collected
                      7
                      25
                      21

                      1900
                      Budget authority (total)
                      658
                      587
                      621

                      1930
                      Total budgetary resources available
                      952
                      1,032
                      1,141

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      370
                      445
                      520

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      658
                      783
                      615

                      3010
                      New obligations, unexpired accounts
                      582
                      587
                      621

                      3020
                      Outlays (gross)
                      –432
                      –680
                      –574

                      3040
                      Recoveries of prior year unpaid obligations, unexpired
                      –25
                      –75
                      –75

                      3050
                      Unpaid obligations, end of year
                      783
                      615
                      587

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      658
                      783
                      615

                      3200
                      Obligated balance, end of year
                      783
                      615
                      587

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      658
                      587
                      621

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      46
                      115
                      39

                      4011
                      Outlays from discretionary balances
                      386
                      565
                      535

                      4020
                      Outlays, gross (total)
                      432
                      680
                      574

                      Offsets against gross budget authority and outlays:

                      Offsetting collections (collected) from:

                      4033
                      Non-Federal sources
                      –7
                      –25
                      –21

                      4180
                      Budget authority, net (total)
                      651
                      562
                      600

                      4190
                      Outlays, net (total)
                      425
                      655
                      553

             This appropriation provides for NASA's construction and environmental compliance and restoration activities, and makes available
                to use the net proceeds from Enhanced Use Leases for maintenance, capital revitalization, and improvement of real property
                assets and related personal property at NASA Centers received under the authority of section 20145 of the National Aeronautics
                and Space Act (51 U.S.C. 20145). The funding provides for all of the research; development; operations; design, repair, rehabilitation,
                modification of facilities, and construction of new facilities; and other general and administrative activities required to
                execute the programs within this account.

          Object Classification (in millions of dollars)

                      Identification code 080–0130–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Direct obligations:

                      23.3
                      Communications, utilities, and miscellaneous charges
                      1
                      1
                      1

                      25.1
                      Advisory and assistance services
                      28
                      27
                      29

                      25.2
                      Other services from non-Federal sources
                      69
                      67
                      72

                      25.3
                      Other goods and services from Federal sources
                      30
                      29
                      31

                      25.4
                      Operation and maintenance of facilities
                      69
                      69
                      72

                      25.5
                      Research and development contracts
                      37
                      36
                      39

                      25.7
                      Operation and maintenance of equipment
                      29
                      28
                      30

                      31.0
                      Equipment
                      1
                      1
                      1

                      32.0
                      Land and structures
                      312
                      304
                      325

                      99.0
                      Direct obligations
                      576
                      562
                      600

                      99.0
                      Reimbursable obligations
                      6
                      25
                      21

                      99.9
                      Total new obligations, unexpired accounts
                      582
                      587
                      621

             LEO and Spaceflight OperationsFor necessary expenses, not otherwise provided for, in the conduct and support of space operations research and development
                activities, including research, development, operations, support and services; space flight, spacecraft control and communications
                activities, including operations, production, and services; maintenance and repair, facility planning and design; program
                management; personnel and related costs, including uniforms or allowances therefor, as authorized by sections 5901 and 5902
                of title 5, United States Code; travel expenses; purchase and hire of passenger motor vehicles; and purchase, lease, charter,
                maintenance and operation of mission and administrative aircraft, $4,285,700,000, to remain available until September 30, 2021.
          Note.—A full-year 2019 appropriation for this account was not enacted at the time the budget was prepared; therefore, the
             budget assumes this account is operating under the Continuing Appropriations Act, 2019 (Division C of P.L. 115–245, as amended).
             The amounts included for 2019 reflect the annualized level provided by the continuing resolution.

          Program and Financing (in millions of dollars)

                      Identification code 080–0115–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Obligations by program activity:

                      0001
                      LEO and Spaceflight Operations
                      4,779
                      4,752
                      4,286

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      91
                      118
                      251

                      1021
                      Recoveries of prior year unpaid obligations
                      56
                      133
                      133

                      1050
                      Unobligated balance (total)
                      147
                      251
                      384

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      4,752
                      4,752
                      4,286

                      1120
                      Appropriations transferred to other accts CECR [080–0130]
                      –7

                      1121
                      Appropriations transferred from other acct Science [080–0120]
                      5

                      1160
                      Appropriation, discretionary (total)
                      4,750
                      4,752
                      4,286

                      1900
                      Budget authority (total)
                      4,750
                      4,752
                      4,286

                      1930
                      Total budgetary resources available
                      4,897
                      5,003
                      4,670

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      118
                      251
                      384

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      2,432
                      2,426
                      2,298

                      3010
                      New obligations, unexpired accounts
                      4,779
                      4,752
                      4,286

                      3011
                      Obligations ("upward adjustments"), expired accounts
                      6

                      3020
                      Outlays (gross)
                      –4,729
                      –4,747
                      –5,016

                      3040
                      Recoveries of prior year unpaid obligations, unexpired
                      –56
                      –133
                      –133

                      3041
                      Recoveries of prior year unpaid obligations, expired
                      –6

                      3050
                      Unpaid obligations, end of year
                      2,426
                      2,298
                      1,435

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      2,432
                      2,426
                      2,298

                      3200
                      Obligated balance, end of year
                      2,426
                      2,298
                      1,435

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      4,750
                      4,752
                      4,286

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      2,920
                      2,946
                      2,657

                      4011
                      Outlays from discretionary balances
                      1,809
                      1,801
                      2,359

                      4020
                      Outlays, gross (total)
                      4,729
                      4,747
                      5,016

                      4180
                      Budget authority, net (total)
                      4,750
                      4,752
                      4,286

                      4190
                      Outlays, net (total)
                      4,729
                      4,747
                      5,016

             This appropriation provides for the full costs associated with human-related Low Earth Orbit (LEO) and spaceflight operations
                activities of the agency. The full costs include all labor, travel, procurement, test, and fabrication costs to execute these
                programs, which provide for all of the research, development, operations, salaries and related expenses, and other general
                and administrative activities supporting the programs within this account. Major themes within the LEO and Spaceflight Operations
                account include the International Space Station, Space Transportation, Space and Flight Support, and Commercial LEO Development.
                Performance goals associated with these activities are addressed in NASA's detailed budget request.

             The International Space Station (ISS) is a complex of research laboratories in LEO where America and its international partners,
                including Russia, Canada, Europe, and Japan, conduct unique scientific and technological investigations in a microgravity
                environment. The objective of the International Space Station is to support human space exploration and conduct science experiments
                and technology development unique to the on-orbit attributes of the facility.

             Space Transportation's objective is to transport U.S. astronauts and cargo safely back and forth to the ISS and, in the future,
                to other orbital platforms and destinations. This theme includes the Commercial Crew Program and Crew and Cargo Program. Maintaining
                the ISS requires a fleet of vehicles and launch locations to transport astronauts, science experiments, critical supplies,
                maintenance hardware, and propellant to the ISS, and to dispose of waste generated on the ISS. The Commercial Crew Program
                partners with two U.S. companies, SpaceX and Boeing, to develop and operate safe, reliable, and affordable crew transportation
                to LEO. The Crew and Cargo Program purchases cargo transportation to the ISS under commercial resupply services contracts
                with Northrop Grumman, SpaceX, and Sierra Nevada and purchases crew transportation from Boeing, and SpaceX. Payments to develop
                and test commercial crew vehicles, and for initial Post Certification Missions (PCMs) for each provider are funded by the
                Commercial Crew Program, whereas subsequent payments for operational commercial crew missions are funded by the Crew and Cargo
                Program.

             Space and Flight Support is comprised of multiple programs that provide ongoing support for a wide range of services required
                for safe and successful space mission operations. These programs include Space Communications and Navigation, Communications
                Services Program, Human Space Flight Operations, Launch Services, and Rocket Propulsion Testing. Services are provided to
                a wide range of customers including NASA, other U.S. Federal agencies, foreign governments, and industry partners.

             Commercial LEO Development will support efforts to expand commercial activities in LEO, with a focus on enabling, developing,
                and deploying commercial platforms that can be used by NASA and other customers.

          Object Classification (in millions of dollars)

                      Identification code 080–0115–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Direct obligations:

                      Personnel compensation:

                      11.1
                      Full-time permanent
                      295
                      293
                      265

                      11.3
                      Other than full-time permanent
                      2
                      2
                      2

                      11.5
                      Other personnel compensation
                      2
                      2
                      2

                      11.9
                      Total personnel compensation
                      299
                      297
                      269

                      12.1
                      Civilian personnel benefits
                      96
                      95
                      86

                      21.0
                      Travel and transportation of persons
                      17
                      17
                      15

                      22.0
                      Transportation of things
                      1,654
                      1,645
                      1,483

                      23.2
                      Rental payments to others
                      2
                      2
                      2

                      23.3
                      Communications, utilities, and miscellaneous charges
                      6
                      6
                      5

                      25.1
                      Advisory and assistance services
                      113
                      112
                      101

                      25.2
                      Other services from non-Federal sources
                      147
                      146
                      132

                      25.3
                      Other goods and services from Federal sources
                      29
                      29
                      26

                      25.4
                      Operation and maintenance of facilities
                      60
                      60
                      54

                      25.5
                      Research and development contracts
                      2,050
                      2,038
                      1,839

                      25.7
                      Operation and maintenance of equipment
                      226
                      225
                      203

                      26.0
                      Supplies and materials
                      19
                      19
                      17

                      31.0
                      Equipment
                      18
                      18
                      16

                      32.0
                      Land and structures
                      6
                      6
                      5

                      41.0
                      Grants, subsidies, and contributions
                      37
                      37
                      33

                      99.9
                      Total new obligations, unexpired accounts
                      4,779
                      4,752
                      4,286

          Employment Summary

                      Identification code 080–0115–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      1001
                      Direct civilian full-time equivalent employment
                      2,367
                      2,252
                      2,175

             Office of inspector generalFor necessary expenses of the Office of Inspector General in carrying out the Inspector General Act of 1978, $41,700,000, to remain available until September 30, 2021.
          Note.—A full-year 2019 appropriation for this account was not enacted at the time the budget was prepared; therefore, the
             budget assumes this account is operating under the Continuing Appropriations Act, 2019 (Division C of P.L. 115–245, as amended).
             The amounts included for 2019 reflect the annualized level provided by the continuing resolution.

          Program and Financing (in millions of dollars)

                      Identification code 080–0109–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Obligations by program activity:

                      0001
                      Office of Inspector General (Direct)
                      39
                      39
                      42

                      0801
                      Office of Inspector General (Reimbursable)
                      1
                      2
                      2

                      0900
                      Total new obligations, unexpired accounts
                      40
                      41
                      44

                      Budgetary resources:

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      39
                      39
                      42

                      Spending authority from offsetting collections, discretionary:

                      1700
                      Collected
                      1
                      2
                      2

                      1900
                      Budget authority (total)
                      40
                      41
                      44

                      1930
                      Total budgetary resources available
                      40
                      41
                      44

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      4
                      5
                      6

                      3010
                      New obligations, unexpired accounts
                      40
                      41
                      44

                      3020
                      Outlays (gross)
                      –39
                      –40
                      –44

                      3050
                      Unpaid obligations, end of year
                      5
                      6
                      6

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      4
                      5
                      6

                      3200
                      Obligated balance, end of year
                      5
                      6
                      6

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      40
                      41
                      44

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      35
                      36
                      39

                      4011
                      Outlays from discretionary balances
                      4
                      4
                      5

                      4020
                      Outlays, gross (total)
                      39
                      40
                      44

                      Offsets against gross budget authority and outlays:

                      Offsetting collections (collected) from:

                      4030
                      Federal sources
                      –1
                      –2
                      –2

                      4180
                      Budget authority, net (total)
                      39
                      39
                      42

                      4190
                      Outlays, net (total)
                      38
                      38
                      42

             This appropriation provides for the operations of the NASA Office of Inspector General. The mission of the Office of Inspector
                General is to conduct audits and investigations of agency activities to prevent and detect fraud, waste, abuse, and mismanagement.
                The Inspector General keeps the NASA Administrator and the Congress informed of problems and deficiencies in agency programs
                and operations.

          Object Classification (in millions of dollars)

                      Identification code 080–0109–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Direct obligations:

                      11.1
                      Personnel compensation: Full-time permanent
                      23
                      24
                      25

                      12.1
                      Civilian personnel benefits
                      9
                      9
                      9

                      21.0
                      Travel and transportation of persons
                      1
                      1
                      1

                      25.2
                      Other services from non-Federal sources
                      3
                      3
                      4

                      25.3
                      Other goods and services from Federal sources
                      1
                      1
                      1

                      25.7
                      Operation and maintenance of equipment
                      1
                      1
                      2

                      99.0
                      Direct obligations
                      38
                      39
                      42

                      99.0
                      Reimbursable obligations
                      2
                      2
                      2

                      99.9
                      Total new obligations, unexpired accounts
                      40
                      41
                      44

          Employment Summary

                      Identification code 080–0109–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      1001
                      Direct civilian full-time equivalent employment
                      176
                      207
                      207

                      2001
                      Reimbursable civilian full-time equivalent employment
                      6
                      6
                      6

             Science, Aeronautics, and ExplorationProgram and Financing (in millions of dollars)

                      Identification code 080–0114–0–1–999
                      2018 actual
                      2019 est.
                      2020 est.

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      1
                      1
                      1

                      1930
                      Total budgetary resources available
                      1
                      1
                      1

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      1
                      1
                      1

                      4180
                      Budget authority, net (total)

                      4190
                      Outlays, net (total)

             The Science, Aeronautics, and Exploration account shows spending from balances prior to the account restructuring. In FY 2019,
                consistent with current law, obligated balances will be transferred and merged into Treasury account 80–0130. Unobligated
                balances will be returned to Treasury and thereafter, this account will be closed.

             Human Space FlightProgram and Financing (in millions of dollars)

                      Identification code 080–0111–0–1–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      2
                      2
                      2

                      3050
                      Unpaid obligations, end of year
                      2
                      2
                      2

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      2
                      2
                      2

                      3200
                      Obligated balance, end of year
                      2
                      2
                      2

                      4180
                      Budget authority, net (total)

                      4190
                      Outlays, net (total)

             The Human Space Flight account shows spending from balances prior to the account restructuring. In FY 2019, consistent with
                current law, obligated balances will be transferred and merged into Treasury accounts 80–0122, 80–0115 and 80–0130. Unobligated
                balances will be returned to Treasury and thereafter, this account will be closed.

             Science, Aeronautics and TechnologyProgram and Financing (in millions of dollars)

                      Identification code 080–0110–0–1–999
                      2018 actual
                      2019 est.
                      2020 est.

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      1
                      1
                      1

                      1930
                      Total budgetary resources available
                      1
                      1
                      1

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      1
                      1
                      1

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      1
                      1
                      1

                      3050
                      Unpaid obligations, end of year
                      1
                      1
                      1

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      1
                      1
                      1

                      3200
                      Obligated balance, end of year
                      1
                      1
                      1

                      4180
                      Budget authority, net (total)

                      4190
                      Outlays, net (total)

             The Science, Aeronautics, and Technology account shows spending from balances prior to the account restructuring. In FY 2019,
                consistent with current law, obligated balances will be transferred and merged into Treasury account 80–0130. Unobligated
                balances will be returned to Treasury and thereafter, this account will be closed.

             Mission SupportProgram and Financing (in millions of dollars)

                      Identification code 080–0112–0–1–999
                      2018 actual
                      2019 est.
                      2020 est.

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      1
                      1
                      1

                      1930
                      Total budgetary resources available
                      1
                      1
                      1

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      1
                      1
                      1

                      4180
                      Budget authority, net (total)

                      4190
                      Outlays, net (total)

             The Mission Support account shows spending from residual balances associated with construction of facilities activities prior
                to 2004. In FY 2019, consistent with current law, obligated balances will be transferred and merged into Treasury accounts
                80–0122 and 80–0130. Unobligated balances will be returned to Treasury and thereafter, this account will be closed.

             Working Capital FundProgram and Financing (in millions of dollars)

                      Identification code 080–4546–0–4–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Obligations by program activity:

                      0801
                      Working Capital Fund (Reimbursable)
                      449
                      523
                      527

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      14
                      14
                      15

                      1021
                      Recoveries of prior year unpaid obligations
                      1
                      5
                      5

                      1050
                      Unobligated balance (total)
                      15
                      19
                      20

                      Budget authority:

                      Spending authority from offsetting collections, discretionary:

                      1700
                      Collected
                      448
                      519
                      523

                      1930
                      Total budgetary resources available
                      463
                      538
                      543

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      14
                      15
                      16

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      183
                      195
                      198

                      3010
                      New obligations, unexpired accounts
                      449
                      523
                      527

                      3020
                      Outlays (gross)
                      –436
                      –515
                      –521

                      3040
                      Recoveries of prior year unpaid obligations, unexpired
                      –1
                      –5
                      –5

                      3050
                      Unpaid obligations, end of year
                      195
                      198
                      199

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      183
                      195
                      198

                      3200
                      Obligated balance, end of year
                      195
                      198
                      199

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      448
                      519
                      523

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      250
                      311
                      314

                      4011
                      Outlays from discretionary balances
                      186
                      204
                      207

                      4020
                      Outlays, gross (total)
                      436
                      515
                      521

                      Offsets against gross budget authority and outlays:

                      Offsetting collections (collected) from:

                      4030
                      Federal sources
                      –430
                      –494
                      –496

                      4033
                      Non-Federal sources
                      –18
                      –25
                      –27

                      4040
                      Offsets against gross budget authority  and outlays (total)
                      –448
                      –519
                      –523

                      4080
                      Outlays, net (discretionary)
                      –12
                      –4
                      –2

                      4180
                      Budget authority, net (total)

                      4190
                      Outlays, net (total)
                      –12
                      –4
                      –2

             The Working Capital Fund provides goods and services on a reimbursable basis. The Fund finances four program activities. The
                first is the Solutions for Enterprise-wide Procurement program, which finances, on an agency-wide basis, scientific and engineering
                workstation procurement. The second program is the Information Technology Infrastructure Integration Program which consolidates
                and centralizes management of NASA information technology services in the areas of Tier 1 service desk and ordering, web services
                and technologies, enterprise business and management applications, integrated network/communications services, end user services,
                and data center services. The third program, NASA's Shared Services Center, performs selected financial management, human
                resources, information technology, and procurement services for NASA Headquarters and Centers. The last program, the National
                Center for Critical Information Processing and Storage, provides federal customers collocation services at a Tier III level
                with complete redundancy in the electrical distribution system from the national grid to the rack level.

          Object Classification (in millions of dollars)

                      Identification code 080–4546–0–4–252
                      2018 actual
                      2019 est.
                      2020 est.

                      Reimbursable obligations:

                      11.1
                      Personnel compensation: Full-time permanent
                      14
                      14
                      14

                      12.1
                      Civilian personnel benefits
                      5
                      5
                      5

                      23.3
                      Communications, utilities, and miscellaneous charges
                      3
                      3
                      3

                      25.1
                      Advisory and assistance services
                      1
                      1
                      1

                      25.2
                      Other services from non-Federal sources
                      47
                      47
                      47

                      25.3
                      Other goods and services from Federal sources
                      1
                      1
                      1

                      25.4
                      Operation and maintenance of facilities
                      14
                      14
                      14

                      25.7
                      Operation and maintenance of equipment
                      362
                      436
                      440

                      26.0
                      Supplies and materials
                      1
                      1
                      1

                      31.0
                      Equipment
                      1
                      1
                      1

                      99.9
                      Total new obligations, unexpired accounts
                      449
                      523
                      527

          Employment Summary

                      Identification code 080–4546–0–4–252
                      2018 actual
                      2019 est.
                      2020 est.

                      2001
                      Reimbursable civilian full-time equivalent employment
                      142
                      156
                      156

          Trust Funds
             Science, Space, and Technology Education Trust FundSpecial and Trust Fund Receipts (in millions of dollars)

                      Identification code 080–8978–0–7–503
                      2018 actual
                      2019 est.
                      2020 est.

                      0100
                      Balance, start of year
                      16
                      16
                      16

                      Receipts:

                      Current law:

                      1140
                      Earnings on Investments, Science, Space and Technology Education Trust Fund
                      2
                      1
                      1

                      2000
                      Total: Balances and receipts
                      18
                      17
                      17

                      Appropriations:

                      Current law:

                      2101
                      Science, Space, and Technology Education Trust Fund
                      –2
                      –1
                      –1

                      5099
                      Balance, end of year
                      16
                      16
                      16

          Program and Financing (in millions of dollars)

                      Identification code 080–8978–0–7–503
                      2018 actual
                      2019 est.
                      2020 est.

                      Obligations by program activity:

                      0001
                      Science, Space, and Technology Education Trust Fund
                      1
                      1
                      1

                      0900
                      Total new obligations, unexpired accounts (object class 41.0)
                      1
                      1
                      1

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      1
                      2
                      2

                      Budget authority:

                      Appropriations, mandatory:

                      1201
                      Appropriation (special or trust fund)
                      2
                      1
                      1

                      1930
                      Total budgetary resources available
                      3
                      3
                      3

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      2
                      2
                      2

                      Change in obligated balance:

                      Unpaid obligations:

                      3010
                      New obligations, unexpired accounts
                      1
                      1
                      1

                      3020
                      Outlays (gross)
                      –1
                      –1
                      –1

                      Budget authority and outlays, net:

                      Mandatory:

                      4090
                      Budget authority, gross
                      2
                      1
                      1

                      Outlays, gross:

                      4100
                      Outlays from new mandatory authority
                      1
                      1
                      1

                      4180
                      Budget authority, net (total)
                      2
                      1
                      1

                      4190
                      Outlays, net (total)
                      1
                      1
                      1

                      Memorandum (non-add) entries:

                      5000
                      Total investments, SOY: Federal securities: Par value
                      17
                      17
                      17

                      5001
                      Total investments, EOY: Federal securities: Par value
                      17
                      17
                      17

             Administrative Provisions
             Administrative provisions
             (Including transfers of funds)Funds for any announced prize otherwise authorized shall remain available, without fiscal year limitation, until the prize
                is claimed or the offer is withdrawn.
          Not to exceed 10 percent of any appropriation made available for the current fiscal year for the National Aeronautics and Space Administration
                in this Act, or provided for the National Aeronautics and Space Administration under previous appropriations Acts that remain
                available for obligation or expenditure in fiscal year 2020, may be transferred between such appropriations, but no such appropriation, except as otherwise specifically provided, shall
                be increased by more than 10 percent by any such transfers. Any such funds transferred to "Construction and Environmental
                Compliance and Restoration" for construction activities shall not increase that appropriation by more than 20 percent. Balances
                so transferred shall be merged with and available for the same purposes and the same time period as the appropriations to
                which transferred. Any transfer pursuant to this provision shall be treated as a reprogramming of funds under section 504
                of this Act and shall not be available for obligation except in compliance with the procedures set forth in that section.
          The spending plan required by this Act shall be provided by NASA at the theme and program level. The spending plan, as well
                as any subsequent change of an amount established in that spending plan that meets the notification requirements of section
                504 of this Act, shall be treated as a reprogramming under section 504 of this Act and shall not be available for obligation
                or expenditure except in compliance with the procedures set forth in that section.

             General and Administrative Provisions
             GENERAL FUND RECEIPT ACCOUNTS(in millions of dollars)

                      2018 actual
                      2019 est.
                      2020 est.

                      Offsetting receipts from the public:

                      080–322000
                      All Other General Fund Proprietary Receipts Including Budget Clearing Accounts
                      2
                      4
                      4

                      General Fund Offsetting receipts from the public
                      2
                      4
                      4

                      Intragovernmental payments:

                      080–388500
                      Undistributed Intragovernmental Payments and Receivables from Cancelled Accounts
                      3
                      2
                      2

                      General Fund Intragovernmental payments
                      3
                      2
                      2