Dana Purifoy, NASA Armstrong director of Flight Operations, talking, and John McKay, former Armstrong SR-71 crew chief, left, participate in a panel discussion about the triple supersonic aircraft.
AFRC2018-0056-135
Dana Purifoy, NASA Armstrong director of Flight Operations, talking, and John McKay, former Armstrong SR-71 crew chief, left, participated in a panel discussion about the triple supersonic aircraft.
March 25, 2018
NASA Photo / Ken Ulbrich