A 'new Concorde' has broken the sound barrier - the Boom XB-1 test plane was launched from California's Mojave Air and Space ...
More than 20 years after the death of Concorde, a new contender is set to attempt supersonic speeds in its first test flight ...
Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...
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