X-15A-2 in flight. First flight wih dummy ramjet attached. Flt. 2-51-92, Pete Knight-pilot. 8 May 67

X-15A-2 in flight. First flight wih dummy ramjet attached. Flt. 2-51-92, Pete Knight-pilot. One of the experiments planned for the X-15A-2 involved tests of a functional ramjet at speeds above Mach 5. This photo was taken with a dummy ramjet. On this rese

X-15 Pilots, Left to Right: Air Force pilot William J. "Pete" Knight, Air Force Major Robert A. Rushworth, Air Force Captain Joseph H. Engle, NASA pilot Milton O. Thompson, NASA pilot Bill Dana, and NASA pilot John B. "Jack" McKay.

X-15A-2 post flight photo showing heat damage from Mach 6.7 flight on 3 Oct 67. Flt. 2-53-97; pilot-Pete Knight.

X-15A-2 post flight photo showing heat damage from Mach 6.7 flight on 3 Oct 67. Flt. 2-53-97; pilot-Pete Knight