Once called Thule Air Base, now known as Pituffik Space Base, this U.S.-operated installation in northwestern Greenland is one of the most strategically important military sites in the world ...

The Pituffik Space Base (formerly Thule Air Base) is pictured in northern Greenland, on October 4, 2023. The base changed its name earlier in 2023.

Pituffik Space Base (formerly Thule Air Base) in northern Greenland on Wednesday, Oct. 4, 2023. Credit: AP/Thomas Traasdahl By The Associated Press Updated March 28, 2025 ...

Denmark and the U.S. reached an agreement in 1951 that allowed the American military to construct Thule Air Base on Greenland’s northwest coast, about 750 miles from the North Pole and roughly ...