At the height of the Cold War, both the Soviets and the United States raced to hold supremacy across the globe. Over in North Dakota, you can find a strange relic of this unending conflict -- the Stanley R. Mickelson Safeguard Complex, a billion-dollar boondoggle built to detect and destroy Soviet missiles. It opened on October 1st, 1975. Just one day later, on October 2nd, Congress shut it down. In tonight's episode, Ben, Matt and Noel ask: What happened?