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— ...

NASA’s New Supersonic Jet Just Quietly Completed Its First Test Flight

NASA’s X-59 supersonic jet completed its first test flight on Tuesday, flying at subsonic speeds of 230 mph over the desert ...
The Columbian

Independently funded jet’s sound barrier mark revives talk of commercial supersonic travel

An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during a test ...