Pub. L. 100-685, tit. III, sec. 305

Sec. 305. The Administrator should develop a plan in pursuit of— (1) a vigorous program in aeronautics research and technology development and validation, emphasizing emerging technologies with the potential for breakthrough advances to enhance United States preeminence in civil and military aviation; and (2) in cooperation with the Department of Defense, a technology development program (with an option for a flight demonstration in 1995) to prove the feasibility of an air-breathing hypersonic aerospaceplane capable of single-stage-to-orbit operation and hypersonic cruise in the atmosphere.