Boom Supersonic sans Sonic boom

Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for ...
Boom Supersonic’s XB-1 aircraft broke the sound barrier during three test runs, a step toward the possible return of supersonic commercial flights ...
NASA and Lockheed Martin have completed three engine run tests of the X-59 aircraft for its planned 2025 first flight under ...