United States Code

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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.