42 U.S. Code § 17721, 17722 - Repealed. Pub. L. 111–314, § 6, Dec. 18, 2010, 124 Stat. 3444

Section 17721, Pub. L. 110–422, title III, § 302, Oct. 15, 2008, 122 Stat. 4786, related to environmentally friendly aircraft research and development initiative. See section 40702 of Title 51, National and Commercial Space Programs.

Section 17722, Pub. L. 110–422, title III, § 303, Oct. 15, 2008, 122 Stat. 4787, related to research alignment in fundamental aeronautics research program. See section 40703 of Title 51.