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.

The North American Aviation XB-70 Valkyrie was one of the first supersonic bombers to be built after the Second World War. Designed and constructed in the mid-1950s ...