X-15 Hypersonic Research VehicleFollowed by a Lockheed F-104A Starfighter chase plane, the North American X-15 ship #3 (56-6672) sinks toward touchdown on Rogers...NASA research pilot Milt Thompson stands next to a mock-up of X-15 number 3 that was later installed at the...NASA research pilot Milt Thompson is seen here with the mock-up of X-15 #3 that was later installed at the...Workers install the full-scale mock-up of X-15 #3 at the NASA Dryden Flight Research Center, Edwards, CA, in September 1995.Workers install the full-scale mock-up of X-15 #3 at the NASA Dryden Flight Research Center, Edwards, CA, in September 1995.The full-scale mock-up of X-15 #3 was installed September 1995 at the NASA Dryden Flight Research Center, Edwards, CA.Major Robert M. White is seen here next to the X-15 aircraft after a research flight.The X-15 flight crew, left to right: Air Force Captain Joseph H. Engle, Air Force Major Robert A. Rushworth, NASA...NASA pilots Milton O. Thompson, William H. "Bill" Dana, and John B. "Jack" McKay are seen here in front of...Air Force pilot William J. "Pete" Knight is seen here in front of the X-15A-2 aircraft (56-6671).The HL-10 is shown next to the X-15A-2 in 1966.NASA research pilot Bill Dana is seen here next to the X-15 #3 rocket-powered aircraft after a flight.In June 1967, the X-15A-2 rocket-powered research aircraft received a full-scale ablative coating to protect the craft from the high...In June 1967, the X-15A-2 rocket powered research aircraft received a full-scale ablative coating to protect the craft from the...After receiving a full-scale ablative coating to protect the craft from the high temperatures associated with supersonic flight, the X-15A-2...NASA research pilot Milt Thompson stands next to the X-15 #3 ship after a research flight.NASA pilot Neil Armstrong is seen here in the cockpit of the X-15 ship #1 (56-6670) after a research flight.Three view art of the North American X-15.This photo illustrates how the X-15 rocket-powered aircraft was taken aloft under the wing of a B-52.NASA research pilot Bill Dana is seen here next to the X-15 #3 rocket-powered aircraft after a flight.Cutaway drawing of the North American X-15.Cracked canopy glass on right side of X-15 #2 after flt. 2-21-37 on Nov. 9 1961. Robert White-pilot. First flight...Both the HL-10 and X-15A2, shown here parked on the NASA ramp in 1966, underwent modifications.Captain Joe Engle is seen here next to the X-15-2 (56-6671) rocket-powered research aircraft after a flight.The X-15 pilots clown around in front of the #2 aircraft.One of three X-15 rocket-powered research aircraft being carried aloft under the wing of its B-52 mothership.The X-15 aircraft, ship #1 (56-6670), sits on the lakebed early in its illustrious career of high speed flight research.The X-15 (56-6670), seen here on the lakebed at Edwards Air Force Base, Edwards, CA.This photo shows one of the four attempts NASA made at launching two X-15 aircraft in one day.NASA research pilot Neil Armstrong is seen here in the cockpit of the X-15 ship #1 (56-6670) after a research...NASA research pilot Joe Walker flew the X-15 rocket plane to an altitude of 271,000 feet, or 51 miles high,...The X-15 flight simulator, located at the NASA Flight Research Center, Edwards, CA, in the 1960s.The X-15-3 (56-6672), seen here on the lakebed at Edwards Air Force Base, Edwards, CA, was a rocket-powered aircraft 50...The North American X-15 settles to the lakebed after a research flight from what is now the NASA Dryden Flight...The X-15 ship #3 (56-6672) is seen here on the lakebed at the Edwards Air Force Base, Edwards, CA.X-15 personnel July 1962 Cockpit: Edward "Ed" Nice Ladder: Thomas "Tom" McAlister Back Row, left to right: William Clark, Edward...X-15 personnel. A photo commemorating all three X-15's being flown during the same week. Back Row, left to right: John...On 9 November 1962, an engine failure forced Jack McKay, a NASA research pilot, to make an emergency landing at...A series of ground and in-flight accidents occurred during the X-15's contractor program, fortunately without injuries or even greatly delaying...NASA test pilot Neil Armstrong is seen here next to the X-15 ship #1 (56-6670) after a research flight.