The XB-70 Valkyrie, a Mach 3-capable bomber developed during the Cold War, was designed to outpace Soviet air defenses. Powered by six turbojet engines, it could reach 2,076 mph at 73,000 feet.

Kratos Defense and Security Solutions has unveiled the second version of the XQ-58A Valkyrie, featuring an internal landing ...

Let's take a look at what was to be the ultimate high speed, high altitude and last manned strategic bomber: The XB-70 Valkyrie. An aircraft which still looks futuristic even today, the Valkyrie was a ...