Video encyclopedia



North American X-15 - x15 First Flight


North American X-15 Promo Film - 1962


Neil Armstrong's Perilous X-15 Test Flight - Decades TV Network


x-15 fly-by at 4,520 MPH fastest aircraft in the world


X-15 Aircraft Moves Into New 4th Building

The North American X-15 was a hypersonic rocket-powered aircraft operated by the United States Air Force and the National Aeronautics and Space Administration as part of the X-plane series of experimental aircraft. The X-15 set speed and altitude records in the 1960s, reaching the edge of outer space and returning with valuable data used in aircraft and spacecraft design. The X-15's official world record for the highest speed ever recorded by a manned, powered aircraft, set in October 1967 when William J. Knight flew Mach 6.72 at 102,100 feet (31,120 m), a speed of 4,520 miles per hour, has remained unchallenged as of August 2018.
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