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Boom Supersonic's XB-1 smashes the sound barrier — becoming the 1st civil aircraft to go supersonic in US history

Boom Supersonic's XB-1 has successfully broken the sound barrier, becoming the first supersonic civil aircraft in U.S. history. Today (Jan. 28), the XB-1 took off from Mojave Air and Space Port in ...
IFLScience

NASA Image Shows XB-1 Jet Break The Sound Barrier Without Producing Audible Sonic Boom

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...