FJPfBO
@bgelpmi
Boom is supersonic. On Jan. 28, 2025 at 8:31am PST / 16:31 GMT, XB-1 broke the sound barrier. Chief Test Pilot Tristan “Geppetto” Brandenburg safely and successfully achieved supersonic speed in XB-1, the first civil supersonic jet made in America. ?New top speed: Mach 1.122 https://t.co/GenfoWRK6P
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