Flight 190 of the North American X-15 was a test flight conducted by NASA and the US Air Force in 1967. Piloted by William J. Knight it reached an altitude of 85.5 km.
Flight 190 of the North American X-15 was a test flight conducted by NASA and the US Air Force in 1967. Piloted by William J. Knight it reached an altitude of 85.5 km.