Despite its technical triumphs and support from aviators, the XB-70’s operational future unraveled almost as quickly as it ...
The XB-70 Valkyrie could cruise at Mach 3, riding its own shock wave to do so, and could hit altitudes of 70,000 feet. But the XB-70 Valkyrie never went into full-scale production ...
The XB-70 Valkyrie, a supersonic aircraft that was ... United Airlines flight forced to return to gate in San Francisco as ...