Group of eight airmail covers flown on United States military aircraft, all with stamped or typed cachets filled out with flight information, signed by the respective pilots. Aircraft and dates are: F4D Skyray (November 28, 1956); Grumman Turbojet F9F-8 Cougar (April 30, 1957); FJ-3 Fury ('Wide Wide World' TV show, May 12, 1957); Super Sabre Jet #FW-904 (first airplane takeoff by rocket, May 22, 1958); USAF F-102a (firing missile test, May 4, 1959); B-52G Stratofortress (carrying missiles, September 28, 1959); F-104B (currency recheck, December 1963); and Convair F-111A (first flight, December 21, 1964). In overall fine condition.