2000—Pub. L. 106–391 substituted “transsonic, supersonic, and hypersonic” for “transsonic and supersonic”.

1958—Pub. L. 85–568 substituted “The Administrator of the National Aeronautics and Space Administration (hereinafter referred to as the ‘Administrator’)” for “The National Advisory Committee for Aeronautics (hereinafter referred to as the ‘Committee’)”, and “Administrator” for “Committee” in second sentence.

Pub. L. 85–568, title III, § 301(e), July 29, 1958, 72 Stat. 433, provided that: “This section [amending this section and sections 512, 513, and 515 of this title, section 22–1 of former Title 5, and sections 2302 and 2303 of Title 10, Armed Forces, and enacting provisions set out as a note under section 2472 of Title 42, The Public Health and Welfare] shall take effect ninety days after the date of the enactment of this Act [July 29, 1958], or on any earlier date on which the Administrator [of the National Aeronautics and Space Administration] shall determine, and announce by proclamation published in the Federal Register, that the Administration has been organized and is prepared to discharge the duties and exercise the powers conferred upon it by this Act.”

Act Oct. 27, 1949, ch. 766, title I, § 106, 63 Stat. 937, provided that: “This title [enacting this subchapter] may be cited as the ‘Unitary Wind Tunnel Plan Act of 1949’.”

Act Oct. 27, 1949, ch. 766, title II, § 205, 63 Stat. 938, provided that: “This title [enacting subchapter II of this chapter] may be cited as the ‘Air Engineering Development Center Act of 1949’.”