For the first time, a privately developed aircraft has flown faster than sound
High above a barren California desert on Tuesday, a privately developed aircraft broke the sound barrier for the first time ...
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 ...
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The company planning a successor to Concorde makes its first supersonic test
Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...