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Space.com on MSNBoom Supersonic's XB-1 jet flew in front of the sun so NASA could take this incredible shock wave photo"This image makes the invisible visible — the first American made civil supersonic jet breaking the sound barrier." ...
Boom Supersonic, a commercial aviation company behind the sonic boom-less XB-1, posted an image showing its experimental plane breaking the sound barrier. Captured during a successful test flight ...
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