51 U.S.C. § 20162
Section 20162 · Definition of upper atmosphere
Amended 1 time on record
In this subchapter, the term “upper atmosphere” means that portion of the Earth's sensible atmosphere above the troposphere.
Public-domain · open source
51 U.S.C. § 20162
Amended 1 time on record
In this subchapter, the term “upper atmosphere” means that portion of the Earth's sensible atmosphere above the troposphere.