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 Mach 3 giant pushed materials, aerodynamics, and engines to their limits ...

-Engineered to "ride" its own shockwave for fuel efficiency, the massive bomber was a technological masterpiece. However, its development coincided with the dawn of the "missile age." -The rise of ...

Despite its technical triumphs and support from aviators, the XB-70’s operational future unraveled almost as quickly as it took flight. What You Need to Know: The North American XB-70 Valkyrie ...

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... What You Need to Know: ...

The Second World War and the global rivalries that followed were events that fueled weapons development like nothing before. In the span of just a few short years, humanity stepped into the jet age, ...