Just north of Nekoma, North Dakota lies an abandoned, pyramid-shaped missile defence building; left empty since the US Army skipped town back in the ’70s, after what must be one of the shortest periods of operation of any Department of Defense initiative. When fully operational, the Stanley R. Mickelsen Safeguard Complex (SRMC) contained a phased-array radar on each of the pyramid’s four faces – providing a complete wide-angle view capable of tracking incoming enemy missiles up to 360 km away. In the event of an attack from an intercontinental missile, the site could respond with one of its thirty nuclear Spartan [...]