marking an early step in a potential return for supersonic commercial flight. The small aircraft reached a top speed of Mach 1.122 (roughly 750 miles per hour) in a flight over southern California ...

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An American civil aircraft broke the sound barrier for the first time in California's Mojave Desert Late last week, American company Boom Supersonic flew faster than the speed of sound with its XB ...

(CNN) — Last week, American company Boom Supersonic flew faster than the speed of sound with its XB-1 supersonic demonstrator aircraft. It’s now the first piloted non-military aircraft to ...

The content is produced solely by The Conversation. Last week, American company Boom Supersonic flew faster than the speed of sound with its XB-1 supersonic demonstrator aircraft. It’s now the first ...

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