Modern Engineering Marvels on MSN

Why America’s Mach 3 Valkyrie became a brilliant dead end

The XB-70 Valkyrie was not defeated by bad engineering. It was defeated by a strategic idea that aged faster than the airplane built to prove it. Conceived in the 1950s as the Air Force’s answer to ...
Found and Explained Official on MSN

America’s Mach 3 super bomber that died before it was ready - XB-70

The XB-70 Valkyrie was developed as a high-altitude Mach 3 strategic bomber intended to replace the B-52, featuring six J93 engines, extensive use of titanium and honeycomb panels, a retractable ...