The National Interest on MSN8d
The F-4 Phantom Has the World’s Only Gun Kill at Supersonic Speed
With a top speed of Mach 2.2, the F-4’s defining characteristic was world-record speed. Can you name the most widely produced ...
Space.com12d
Boom Supersonic's XB-1 jet flew in front of the sun so NASA could take this incredible shock wave photo
NASA and Boom Supersonic just released an incredible photo capturing a shockwave emanating from the dark silhouette of the supersonic XB-1 aircraft while it traveled in front of the sun during a ...