Printed for the use of the Committee on Science and Astronautics 73254 O U.S. GOVERNMENT PRINTING OFFICE WASHINGTON: 1961 Busignies, Henri, vice president and general technical, International Brophy, Theodore F., vice president and general counsel, General Engstrom, Dr. Elmer W., senior executive vice president, Radio Corp. Haley, Andrew, general counsel, American Rocket Society Paige, Hilliard W., general manager, Missile and Space Vehicle De- 72 497 306 3 |