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Boom Supersonic's XB-1 jet breaks sound barrier 3 times on final test flight (video, photos)
Boom Supersonic's XB-1 jet went out in style on Monday (Feb. 10). The XB-1 broke the sound barrier three times during its 13th and final test flight, which lifted off Monday from the Mojave Air ...
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Boom Supersonic's XB-1 prototype aces 2nd test flight (photos)
Colorado company Boom Supersonic's XB-1 supersonic demonstrator aircraft flew for the second time ever on Monday (Aug. 26). The flight took place from California's Mojave Air and Space Port and ...