Today a civil test airliner, Boom Technology’s XB-1, broke the sound barrier for the first time in two decades.
Boom Supersonic’s XB-1 aircraft broke the sound barrier during three test runs, a step toward the possible return of ...
Breaking the sound barrier in a privately developed civil aircraft is a significant aviation milestone by any measure. But as the champagne corks popped and the engines on Boom Supersonic’s XB-1 ...