Designed to replace the B-52, the Valkyrie boasted speeds ... Exemplifying the period was the North American XB-70 Valkyrie, a supersonic bomber with impressive specifications and a cult-like ...

A Total Failure: The XB-70 Valkyrie was an experimental U.S. nuclear bomber developed in the 1950s and 1960s as a potential replacement for the B-52. Designed to fly at Mach 3 speeds and altitudes ...

Here’s What You Need to Remember: Only two of the enormous XB-70 bombers were ever built; one resides in a museum in Ohio, the other was destroyed in a collision in ...

With its six inline turbojet engines with afterburners, the Valkyrie could sustain speeds ... in up to 65 degrees to use shockwaves from the bomber's speed to provide additional lift.