The National Interest on MSN7d
XB-70 Valkyrie: The Greatest Warplane America Never Adopted
Despite its technical triumphs and support from aviators, the XB-70’s operational future unraveled almost as quickly as it ...
Space.com11d
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 ...