Francis E. Warren Air Force Base
Warren AFB is the oldest continuously active military installation within the Air Force, established in 1867 by the United States Army as Fort David Allen Russell. The facility came under United States Army Air Forces control on 1 June 1947, and United States Air Force (USAF) respectively on 18 September 1947 until now.
Thule Air Base
Thule Air Base, or Thule Air Base/Pituffik Airport , is the United States Air Force's northernmost base, located north of the Arctic Circle and from the North Pole on the northwest coast of the island of Greenland.