Flight 174 of the North American X-15 was a test flight conducted by NASA and the US Air Force in 1966. Piloted by William H. Dana, it reached an altitude of 93.5 km.
Flight 174 of the North American X-15 was a test flight conducted by NASA and the US Air Force in 1966. Piloted by William H. Dana, it reached an altitude of 93.5 km.