Joseph A. Walker
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Joseph Albert Walker 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 fl
Walker in 1955
Walker (L) with his fellow test pilots Butchart (C) and Jones (R), 1952
Joe Walker and the X-1A
Walker in his pressure suit with the X-1E
X-15 Flight 91
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X-15 Flight 91 was an August 22, 1963 American crewed sub-orbital spaceflight, and the second and final flight in the program to fly above the Kármán line, which was previously achieved during Flight
Joseph A. Walker
…50 miles, thereby qualifying as an astronaut according to the United States definition of the boundary of space. The latter two, X-15 Flights 90 and 91, also surpassed the Kármán line, the internationally accepted boundary of 100 kilometers (62.14 miles). Making the latter flights immediately after the…
Joe Walker
X 15 flying