The Arctic has received relatively little military attention since the Cold War, but U.S. strategy is shifting toward a renewed focus on the region, reflecting increasing Russian military activity there.
Recent Arctic strategies by the Army, Air Force and Navy emphasize ways of improving operational capabilities and capacity in the region….
At any given time, about 1,000 U.S. Marines are operating in northern Norway on a rotating basis. The United States has also recently signed agreements with Norway to build facilities on Norwegian bases.
Though Sweden and Finland are not NATO members, they cooperate closely with the alliance and the United States; both countries have facilities that the alliance can use for training, medical support and logistics….
Denmark (which has sovereignty over Greenland), Canada and Iceland collectively provide specific capabilities, basing and infrastructure for logistics, communications, domain awareness, medical support, and rescue.