Donald Trump eyeing on Greenland. Here's why one of the coldest areas is important for the US
World | August 17, 2019 17:09 ISTThe US' northernmost military base -- Thule Air Base -- has been located on Greenland for decades, housing some advanced missiles and only limited people have the access to visit one of the most secretive air bases on the earth. The Thule Air Base also has America's premiere early warning ballistic missile surveillance base.