‘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 ...
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'Son of Concorde' jet that will take you from New York to London in 3.5 hours breaks the sound barrier for first time
Boom's dream of becoming a supersonic commercial airline is a step closer as its demonstrator model the XB-1 reached 844mph ...