Project Iceworm hid the nuclear-powered Camp Century base under Greenland’s ice, where 26 tunnels stretched 3 km to test a missile network.

Giant vehicles were used to transport supplies to Camp Century, a U.S. military base in Greenland, shown in June 1959. (Pictorial Parade/Getty Images) As the threat of nuclear war loomed during the ...

In case of a Soviet attack, nukes dispersed in thousands of miles of cut-and-cover tunnels could be launched within 20 minutes. The name for the effort was worthy of a Hollywood action movie: Project ...