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Boom: America’s answer to Concorde completes its first supersonic flight
Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for ...
‘New Concorde’ to break sound barrier today in big step back to supersonic commercial flights
Colorado company Boom Supersonic plans to break the sound barrier with its test plane XB-1 during a test flight this morning, ...