51 U.S.C. § 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 .)
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 .)