Flight 138 of the North American X-15 was a test flight conducted by NASA and the US Air Force in 1965. Piloted by Joe H. Engle it reached an altitude of 85.5 km.
Flight 138 of the North American X-15 was a test flight conducted by NASA and the US Air Force in 1965. Piloted by Joe H. Engle it reached an altitude of 85.5 km.