ULA hoped to launch as many as 20 missions in 2025, with roughly an even split between its new Vulcan rocket and the Atlas V ...
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Boom Supersonic's XB-1 jet breaks sound barrier 3 times on final test flight (video, photos)Boom will now shift its attentions toward developing Overture, its supersonic passenger jet.
The scaled-down prototype, nicknamed the "Baby Boom", broke the sound barrier for the first time during a test flight over ...
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