Screen Shot 2018-04-25 at 15.50.12 Published on April 25, 2018 in 25 April 1956Full resolution (559 × 460) ← Previous Next → Major Frank Kendall Everest, Jr., U.S. Air Force, with a Bell X-1 supersonic research rocketplane. Autographed 8″ × 10″ U.S. Air Force photograph from