NASA’s experimental X-59 aircraft has flown faster than the speed of sound in a recent test flight. Pilot Jim "Clue" Less reached a top speed of approximately Mach 1.1 (1,147 km/h) and an altitude of 13,228 metres flying out and back from Edwards Air Force Base in California. The X-59 is designed to fly at supersonic speeds while creating only a quiet thump instead of a loud sonic boom. @euronews has more:

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NASA aircraft breaks sound barrier in first supersonic test flight

The milestone comes after a busy testing period for NASA. Since the first flight on 28 October 2025, the team has completed 16 flights in the last 90 days

^{Rebecca Rommen (Euronews)}