national meteorological satellite program Hearings before the Committee on Science and Astronautics U.S. House of Representatives 87th Congress first session, 25-27 july 1961 Vocabulary for current ARDC technical efforts : april 1959 / Air Research and Development Command United States Air Force Aviation safety program / prepared by U.S. Naval Aviation Safety Center Proceedings of a Conference on results of the first U.S. manned suborbital space flight, June 6, 1961, U.S. department of state auditorium / National Aeronautics … Personal Papers in the Albert F.Simpson Historical Research Center / comp. and ed. by Richard E. Morse and Thomas C. Lobenstein