The XB-70 Valkyrie was born from a simple Cold War idea: fly so high and fast that nothing could touch you. North American’s ...
As a product of the Cold War, the Rockwell B-1 is one of the oldest platforms to continue to fly for the Air Force. Despite its age, the formidable supersonic heavy bomber remains a lethal deterrent ...
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National Security Journal on MSNOpinion

The Mach 3.08 XB-70 Valkyrie Bomber Has a Message for the U.S. Air Force

The North American XB-70 Valkyrie embodied a once-dominant creed: outrun defenses at Mach 3 and 70,000 feet. -The prototype proved the physics—compression-lift wingtips, hot-structure skins, 172,000 ...