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Civilian jet breaks sound barrier in historic test flight!

An American civil aircraft broke the sound barrier for the first time in California's Mojave Desert, a US aviation company ...
New York Post

NASA’s silent X-59 jet can break sound barrier with almost no noise, take passengers from NYC to London in 3½ hours

NASA’s sleek and quiet supersonic jet — which is built to reach speeds of up to 925 mph without producing a loud sonic boom— soared across the California desert in its first test flight on Tuesday, ...
BGR

NASA's X-59 Supersonic Jet Broke The Sound Barrier On Its First Test Flight

The "quiet" supersonic aircraft developed by NASA and Lockheed Martin has completed its first flight in California. Dubbed the X-59 Quiet SuperSonic Technology Aircraft, or Quesst, it is a sleek ...