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.

Amendment by Pub. L. 85–568 effective 90 days after July 29, 1958, or on any earlier date on which the Administrator of the National Aeronautics and Space Administration determines, and announces by proclamation, that the Administration has been organized and is prepared to discharge the duties and exercise the powers conferred upon it, see section 301(e) of Pub. L. 85–568, set out as a note under section 2302 of Title 10, Armed Forces.

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

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