31 NASA's X-59 supersonic aircraft that been dubbed "Son of Concorde" broke the sound barrier for the first time on Friday. The experimental jet has been slowly put through it paces, as it reached Mach 1.1 or nearly 713 mph while flying at an altitude of 43,400 feet. The plane broke the sound barrier w (twitter.com) posted 19 days ago by Joys1Daughter 19 days ago by Joys1Daughter +31 / -0 5 comments share 5 comments share save hide report block hide replies
https://nitter.poast.org/i/status/2066633275565560231