THE POST-APOLLO PERIOD HEARINGS BEFORE THE COMMITTEE ON AERONAUTICAL AND SPACE SCIENCES EIGHTY-NINTH CONGRESS FIRST SESSION ON ALTERNATIVE GOALS FOR THE NATIONAL SPACE PROGRAM AUGUST 23, 24, AND 25, 1965 Printed for the use of the Committee on Aeronautical and Space Sciences 52-976 U.S. GOVERNMENT PRINTING OFFICE For sale by the Superintendent of Documents, U.S. Government Printing Office |