Flight 90X-15 United States Air Force Launch Status Success Fri · Jul 19th, 1963 2:20 PM EDT Crew Joseph A. Walker Pilot Status: Deceased 2/20/1921 - 6/8/1966 Nationality: American Type: Government First Flight: 7/19/1963 Last Flight: 8/22/1963 Joseph Albert Walker was an American World War II pilot, experimental physicist, 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. Mission Flight 90 Type: Test Flight Flight 90 of the North American X-15 was a test flight conducted by NASA and the US Air Force in 1963. It was the first of two X-15 missions that passed the 100-km high Kármán line. Location Edwards Air Force Base Air launch to Suborbital flight 2 rockets have launched from Air launch to Suborbital flight. Rocket North American X-15 Length: 15.47 meters Diameter: 6.61 meters First Launch: June 8, 1959 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 North American X-15 rocket has been launched a total of 2 times with 2 successful and 0 failed launches. Agency United States Air Force Type: Government Abbreviation: USAF Country: USA View Rocket Launch Schedule