1 min readNASA Armstrong 2016 AchievementsNASADec 21, 2016 Image Article Artist’s concept of a possible Low Boom Flight Demonstrator X-plane design for Quiet Supersonic Technology (QueSST). Artist’s concept of a possible Low Boom Flight Demonstrator X-plane design for Quiet Supersonic Technology (QueSST). Graphic by Lockheed Martin