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51 U.S.C. 20162: Definition of upper atmosphereText contains those laws in effect through Public Law 119-120 (October 7, 2026).
From Title 51-NATIONAL AND COMMERCIAL SPACE PROGRAMSCHAPTER 201-NATIONAL AERONAUTICS AND SPACE PROGRAM
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§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.