Add Yahoo as a preferred source to see more of our stories on Google. Giant vehicles were used to transport supplies to Camp Century, a U.S. military base in Greenland, shown in June 1959. (Pictorial ...

This is read by an automated voice. Please report any issues or inconsistencies here. Back in the 1960s, the U.S. Army secretly planned to build a network of tunnels under Greenland’s ice sheet to ...

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 ...

As the threat of nuclear war loomed during the Cold War, the U.S. Army hatched a top secret plan to conceal hundreds of missile launchers on rail lines hidden beneath the thick ice sheets of Greenland ...