Flight 62 of the North American X-15 was a test flight conducted by NASA and the US Air Force in 1962. Piloted by Robert M. White it reached an altitude of 95.9 km. July 17, 1962 at 17:30 UTC · Launch Successful North American X-15 — United States Air Force, to Suborbital Edwards Air Force Base, Air launch to Suborbital flight Crew: Robert M. White Program: X-15 Data: Launch Library 2, The Space Devs. Image via The Space Devs.