XB 70A : The Mach 3 Bomber That Would Have Made Russia Freak Out

It was a mammoth and speedy nuclear bomber. The XB-70A Valkyrie was the biggest airplane to fly MACH 3. The concept for the deep-penetration bomber emerged at the height of the Cold War in the 1950s as an option to replace the B-52. Developers wanted a delta-wing jet plane to outrun and outfox Soviet air defenses while flying at 70,000 feet. While not an overall success, this thing was robust with an intriguing story, including a fatal crash that I’ll recount below. So, let’s take a closer look at the XB-70A.

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