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Twelve pilots flew the X-15 over the course of its career. Scott Crossfield and William Dana flew the X-15 on its first and last free flights, respectively. Joseph Walker set the program's top two altitude records on its 90th and 91st free flights (347,800 and 354,200 feet, respectively), becoming the only pilot to fly past the Kármán line, the 100 kilometer, FAI-recognized boundary of outer ...
[25] [26] Forrest S. Petersen, the only Navy pilot in the X-15 program, never took the aircraft above the requisite altitude and thus never earned astronaut wings. Of the thirteen flights, only two – flights 90 and 91, piloted by Walker – exceeded the 100 km (62 mi) altitude used by the FAI to denote the Kármán line .
William John "Pete" Knight (November 18, 1929 – May 7, 2004) (Col, USAF) was an American aeronautical engineer, politician, Vietnam War combat pilot, test pilot, and astronaut. He was one of twelve pilots who flew the North American X-15 , an experimental spaceplane jointly operated by the U.S. Air Force and NASA .
Joseph Albert Walker (February 20, 1921 – June 8, 1966) (Capt, USAF) was an American World War II pilot, experimental physicist, NASA test pilot, and astronaut who was the first person to fly an airplane to space. He was one of twelve pilots who flew the North American X-15, an experimental spaceplane jointly operated by the Air Force and NASA.
X-15 Flight 174, X-15 Flight 197 William Harvey Dana (November 3, 1930 – May 6, 2014) was an American aeronautical engineer , U.S. Air Force pilot , NASA test pilot , and astronaut . He was one of twelve pilots who flew the North American X-15 , an experimental spaceplane jointly operated by the Air Force and NASA.
The X-15 was piloted by astronaut Robert Michael White to an altitude of 95.9 km (59.6 mi) surpassing the U.S. definition of space. Thus it became the first spaceflight of a spaceplane and a reusable spacecraft. The X-15 was also NASA's first space vehicle (the Mercury capsule flew into space first, but the X-15 was airborne before Big Joe 1).
Robert Michael White (July 6, 1924 – March 17, 2010) (Maj Gen, USAF) [2] was an American electrical engineer, test pilot, fighter pilot, and astronaut. [3] [4] He was one of twelve pilots who flew the North American X-15, an experimental spaceplane jointly operated by the Air Force and NASA.
Robert Aitken "Bob" Rushworth (October 9, 1924 – March 18, 1993 [1]) was a United States Air Force major general, World War II, Korean War and Vietnam War pilot, mechanical and aeronautical engineer, test pilot and astronaut. He was one of twelve pilots who flew the North American X-15, an experimental spaceplane jointly operated by the Air ...