ENGLE, Joseph, Captain, USAF, with X-15A-2 56-6671, Edwards AFB, 1965 Published on June 27, 2013 in 29 June 1965Full resolution (1150 × 1024) ← Previous Captain Joe H. Engle, U.S. Air Force, with the North American Aviation X-15A-2, 56-6671, at Edwards Air Force Base, California, 1965. (NASA)