And the plane that would ultimately achieve that goal would be the experimental Bell ... X-1 from a B-29, and became the first person to ever break the sound barrier; he hit a top speed of Mach ...
Boom officials explained that the “world’s first independently developed supersonic jet” will break the sound barrier in the ...
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Boom's XB-1 aircraft hits Mach 1 for first timeColorado-based Boom Supersonic achieved a major milestone in American aviation on Tuesday when the XB-1 hit just over Mach 1, or supersonic speed. It marks the first American civil aircraft to fly ...
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