August 31, 1932 Air Corps pilots flew five miles above the earth's surface to photograph an eclipse of the sun.
August 31, 1950 After a 10-day lull in ground fighting, North Korean forces launched a coordinated attack along the entire Pusan perimeter. Fifth Air Force provided close air support for the defending U.N. troops, while 74 B-29s bombed mining facilities, metal industries, and marshalling yards at Chinnampo in the largest strategic bombing mission of August. The targets included aluminum and magnesium plants.
August 31, 1956 The Boeing KC-135 Stratotanker flew its maiden flight
August 31, 1965 First Minuteman II missile emplaced in a 447th Strategic Missile Squadron silo.