🌐 dailymail.co.uk
XB-1 supersonic jet completes the first supersonic flight | Daily Mail Online
'Son of Concorde' XB-1 supersonic jet completes the first supersonic flight and breaks the sound barrier.
↗ https://www.dailymail.com/video/sciencetech/video-3361767/XB-1-supersonic-jet-completes-supersonic-flight.html