Thule Air Base

Pituffik Space Base (bee-doo-FEEK, Greenlandic: [pitufːik], IATA: THU, ICAO: BGTL), formerly Thule Air Base (TOO-lee), is a United States Space Force base located on the northwest coast of Greenland in the Kingdom of Denmark under a defense agreement between Denmark and the United States. Denmark was a founding member of NATO in 1949, and the 1951 Greenland Defense Agreement allowed the United States to operate the base under a NATO framework, as long as both Denmark and the United States remain NATO members. Under the agreement, the United States has exclusive jurisdiction over its facilities at the base, but with the Danish flag being required to be flown over the base alongside the American flag and the Danes having the right to station a consulting liaison officer at the base. The 1951 agreement was modified in 2004 to require that the Greenlandic flag also be flown over the base and gave the Greenlandic government the right to appoint a liaison officer for the base. As of 2025, about 150 United States service members are permanently stationed there, after the United States significantly reduced its presence from 6,000 personnel during the Cold War. It is the northernmost D

Airport data from the OpenFlights open database.