NASA’s supersonic aircraft, described by outlets as a potential “Son of Concorde” successor, breaks the sound barrier during a test flight, according to reporting from Daily Mail and Mail Online. The outlets say the aircraft reaches supersonic speed, hitting about 713 mph during the flight. The reporting frames the milestone as a technical step toward making future high-speed commercial travel possible. Both articles connect the successful supersonic performance to longer-term goals, including the possibility of significantly reduced flight times on major long-haul routes. Specifically, they mention flights such as London to New York in under four hours as an example of the type of travel the technology could enable. While the stories emphasize the speed achieved during this test, they do not provide additional program details such as the aircraft’s full name, mission designation, or the specific timeline for any operational service. The coverage overall presents the development as an initial experimental success demonstrating that the vehicle can fly in the supersonic regime.