Title 51, National and Commercial Space ProgramsRelease 119-102
§20162 Definition of Upper Atmosphere
Title 51 › Subtitle II — General Program and Policy Provisions › CHAPTER 201 — NATIONAL AERONAUTICS AND SPACE PROGRAM › SUBCHAPTER IV — UPPER ATMOSPHERE RESEARCH › § 20162
Summary
Upper atmosphere — the part of the Earth's sensible atmosphere that lies above the troposphere.
Full Legal Text
Title 51, §20162
National and Commercial Space Programs, Source: USLM XML via OLRC
In this subchapter, the term “upper atmosphere” means that portion of the Earth’s sensible atmosphere above the troposphere.
Legislative History
Notes & Related Subsidiaries
Historical and Revision Notes
Revised SectionSource (U.S. Code)Source (Statutes at Large) 2016242 U.S.C. 2482.Pub. L. 85–568, title IV, § 402, as added Pub. L. 94–39, § 8, June 19, 1975, 89 Stat. 222.
Reference
Citations & Metadata
Citation
51 U.S.C. § 20162
Title 51, National and Commercial Space Programs
Last Updated
Aug 21, 2026
Release point: 119-102