Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound barrier. The independently funded XB-1 reached a speed of Mach 1.122, or about 750 mph, ...
Boom will now shift its attentions toward developing Overture, its supersonic passenger jet. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Boom ...
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