United States Air Force
Joseph A. Walker
2/20/1921 - 6/8/1966
First Flight: 1/17/1963
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.
Type: Test Flight
X-15 Flight 91 was a 1963 American crewed mission, and the second and final flight in the program to achieve sub-orbital spaceflight—a flight over 100 km in altitude. It was the highest flight of the X-15 program.
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Edwards Air Force Base
Air launch to Suborbital flight
77 rockets have launched from Air launch to Suborbital flight.
North American X-15 – North American Aviation
- Length: 15.47 m
- Diameter: 6.61 m
- Launch Mass: 15195 T
The North American X-15 was manufactured by North American Aviation with the first launch on 1959-06-08. North American X-15 has 12 successful launches and 1 failed launches with a total of 13 launches. 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.
United States Air Force – USAF
- Type: Government
- Abbreviation: USAF
- Country: USA