51 U.S.C.
United States Code, 2022 Edition
Title 51 - NATIONAL AND COMMERCIAL SPACE PROGRAMS
Subtitle II - General Program and Policy Provisions
CHAPTER 201 - NATIONAL AERONAUTICS AND SPACE PROGRAM
SUBCHAPTER IV - UPPER ATMOSPHERE RESEARCH
Sec. 20162 - Definition of upper atmosphere
From the U.S. Government Publishing Office, www.gpo.gov

### §20162. Definition of upper atmosphere

In this subchapter, the term "upper atmosphere" means that portion of the Earth's sensible atmosphere above the troposphere.

(Pub. L. 111–314, §3, Dec. 18, 2010, 124 Stat. 3354.)

Historical and Revision Notes
Revised Section | Source (U.S. Code) | Source (Statutes at Large)
--- | --- | ---
20162 | 42 U.S.C. 2482. | Pub. L. 85–568, title IV, §402, as added Pub. L. 94–39, §8, June 19, 1975, 89 Stat. 222.