Supersonic commercial air travel started with Concorde in 1976, but there hasn't been another ultra-high-speed plane since the jet's demise in 2003.
20 years ago, the supersonic passenger jet Concorde flew for the last time
NASA is developing a supersonic jet with Boeing that will be so fast, that by the time you're halfway through watching 'Oppenheimer', it would have already flown you from New York to
Iain Boyd: Commercial supersonic aircraft could return to the skies
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NASA supersonic plane twice as fast as Concorde
NASA unveils X-59 aircraft hoped to bring supersonic, quiet commercial travel to the masses - ABC News
Boom Supersonic aims to fly 'anywhere in the world in four hours for $100
NASA, Lockheed Martin Reveal X-59 Quiet Supersonic Aircraft - NASA
Boom and the Disappointment of Supersonic Travel's Return
Is supersonic passenger travel set to make a comeback?
Supersonic nuclear-powered plane flies 3 times speed sound
X-59: How NASA's 'quiet' supersonic plane could change aviation
