U.S Code last checked for updates: May 01, 2024
All TitlesTitle 51Subtitle IIChapter 201Subchapter IV
§ 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.)
cite as: 51 USC 20162
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