NASA's X-59 Quieter Sonic Boom Supersonic Test Plane Fires Up Its Engine For The 1st Time
NASA's quiet supersonic X-59 aircraft has fired up its engines for the first time during a series of ... However, the X-59 ...
NASA runs first engine tests on supersonic X-59 research aircraft
NASA engineers fired the engines on the X-59 research aircraft in advance of planned test flights to determine if the ...