51 U.S.C.
United States Code, 2022 Edition
Title 51 - NATIONAL AND COMMERCIAL SPACE PROGRAMS
Subtitle IV - Aeronautics and Space Research and Education
CHAPTER 407 - ENVIRONMENTALLY FRIENDLY AIRCRAFT
Table Of Contents
From the U.S. Government Publishing Office, www.gpo.gov

Sec.
40701.
Research and development initiative.
40702.
Additional research and development initiative.
40703.
Research alignment.
40704.
Research program on perceived impact of sonic booms.