{"data":{"id":"us/51-u.s.c.-20162","jurisdiction":"us","citation":"51 U.S.C. § 20162","heading":"Definition of upper atmosphere","body":"In this subchapter, the term “upper atmosphere” means that portion of the Earth’s sensible atmosphere above the troposphere.","path":["Title 51—NATIONAL AND COMMERCIAL SPACE PROGRAMS","CHAPTER 201—NATIONAL AERONAUTICS AND SPACE PROGRAM"],"source_url":"https://uscode.house.gov/download/releasepoints/us/pl/119/103/xml_usc51@119-103.zip","current_through":"Public Law 119-103 (09/02/2026)","vintage":"","retrieved_at":"2026-09-10T06:01:20Z","sha256":"1498bea5d1027a10de078e48d0b365036fcc6a6bdcdc31838157ac208c048bb4","source_id":"us","stale":false,"prev":"us/51-u.s.c.-20161","next":"us/51-u.s.c.-20163"},"notice":"GroundRules: Original legal text. Not legal advice."}