President Trump talks about taking over Greenland from Denmark. It wasn't long ago that the U.S. secretly built a military base there without seeking permission from the Danish.
He had reopened Greenland's link with Northern Europe in the early 1700s and laid the groundwork for the establishment of Denmark's proudest colonial possession. One day in the late 1970s ...
During the Cold War, the U.S. built a military base under the ice in Greenland, hidden from the Soviets. It was eventually abandoned, but its most lasting legacy is a pivotal role in climate science.