Trump Announces ‘Historic’ Greenland Security Deal as U.S. Prepares Major Arctic Military Expansion

President Donald Trump has announced what he described as a historic security agreement involving the United States, Denmark and Greenland, potentially marking one of the biggest expansions of the American military presence on the Arctic island since the Cold War.

Trump announced the agreement on September 18, saying it would give the United States permanent security access in Greenland and allow Washington to significantly expand its military presence there.

The agreement stops well short of transferring Greenland to the United States. Denmark and Greenland have emphasized that the arrangement respects the sovereignty and territorial integrity of the Kingdom of Denmark as well as Greenlanders’ right to self-determination.

The United States already operates Pituffik Space Base in northwestern Greenland and has extensive defense rights dating back to a 1951 agreement with Denmark.

Reuters reported that the new agreement is expected to expand that footprint further, including military sites at Narsarsuaq in southern Greenland and Mestersvig on Greenland’s east coast.

The deal is also expected to prevent non-NATO countries from establishing military bases in Greenland and to restrict certain sensitive investments by U.S. adversaries.

Greenland has become increasingly important to U.S. and NATO security because of its location between North America and the Arctic. The island plays an important role in missile warning, space surveillance and the defense of the North Atlantic.

However, an important distinction remains between Trump’s description of the agreement and its legal meaning. Trump has described the deal as giving the United States permanent control over Greenland’s security, while Denmark says the agreement preserves Danish sovereignty and Greenland’s right to determine its own future.

The final text will therefore be important for establishing precisely how much authority the United States receives and how the expanded military presence will operate.

Trump, Danish Prime Minister Mette Frederiksen and Greenland Prime Minister Jens-Frederik Nielsen are expected to sign the agreement during the United Nations General Assembly in New York.