First independently developed jet breaks the sound barrier over the California desert
A sleek white aircraft has become the first independently developed jet to break the sound barrier. The XB-1 aircraft ...
‘New Concorde’: Boom’s XB-1 jet breaks sound barrier on first supersonic flight
New Concorde' attempts to break sound barrier on first supersonic flight - Boom’s inaugural XB-1 supersonic test flight takes ...
The Baltimore Sun8d
First independently developed jet breaks the sound barrier over the California desert
A sleek white aircraft became the first independently developed jet to break the sound barrier ... fly faster than the speed of sound — typically about 760 mph (1,223 kph) near sea level but ...