The Soviets had a SS-18 mod with a single large warhead (20 or 25Mt) that was presumably intended for targets like Cheyenne and Raven Rock mountains. Maybe the

The Soviets had a SS-18 mod with a single large warhead (20 or 25Mt) that was presumably intended for targets like Cheyenne and Raven Rock mountains. Maybe the Deep Underground Command Center if that had been built might have survived that kind of strike: https://en.wikipedia.org/wiki/Deep_Underground_Command_Center https://en.wikipedia.org/wiki/Deep_Underground_Command_Cente...