A crash at the Paris Air Show in 1973 marred ... and limited passenger service. The Russian-built Tupolev Tu-144 was the first supersonic passenger plane ever to fly, but it had some built-in ...
Boom Supersonic independently designed and built the XB-1, the first civil supersonic jet in America. The XB-1's first supersonic flight last month was a success, breaking the sound barrier above the ...
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