jet breaks sound barrier on first supersonic flight

THE ‘Son of Concorde’ XB-1 jet has successfully reached supersonic speeds today, breaking the sound barrier for the first ...
The Boom XB-1 civil supersonic aircraft has broken the sound barrier for the first time. Boom Supersonic is already planning ...
By achieving a top speed of Mach 1.1, Boom Supersonic has broken records and is on course to revive supersonic passenger ...
Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for ...