North American X-15 U.S. AIR FORCE USAF X-15 VINTAGE STAMP SEP-23-1962 N.A.A INC For Sale
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North American X-15 U.S. AIR FORCE USAF X-15 VINTAGE STAMP SEP-23-1962 N.A.A INC: $29.99
STAMPED ON THE BACK SEP-23-1962 The North American X-15 is a hypersonic rocket-powered aircraft operated by the United States Air Force and the National Aeronautics and Space Administration (NASA) as part of the X-plane series of experimental aircraft. The X-15 set speed and altitude records in the 1960s, crossing the edge of outer space and returning with valuable data used in aircraft and spacecraft design. The X-15's highest speed, 4,520 miles per hour (7,274 km/h; 2,021 m/s),[1] was achieved on 3 October 1967,[2] when William J. Knight flew at Mach 6.7 at an altitude of 102,100 feet (31,120 m), or 19.34 miles. This set the official world record for the highest speed ever recorded by a crewed, powered aircraft, which remains unbroken. We do our best to describe items accurately. Where there are noticeable defects, we will attempt to describe it or picture it. Please view all photos BEFORE purchasing as they are a part of the description. Please ask any questions before purchasing.
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