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NASA’s New Supersonic Jet Just Broke the Sound Barrier Twice on Test Flights (opens in new tab)

Covers 2 stories See all stories this covers including NASA's X-59 Aircraft Flies Supersonic for First Time

NASA's X-59 aircraft broke the sound barrier twice during two separate test flights in June, reaching a top speed of Mach 1.4 (about 924 mph).

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