CROSSFIELD, Albert Scott, with X-15 56-6670 mated to right wing pylon of NB-52A-52-003, at Edwards AFB Published on March 5, 2013 in 10 March 1959Full resolution (497 × 731) ← Previous Next → Test pilot Albert Scott Crossfield with X-15 56-6670 attached to the right wing pylon of NB-52A 52-003 at Edwards Air force Base. (North American Aviation Inc.)