Denmark, Greenland, and the United States have reached an agreement to enhance U.S. military presence in Greenland while affirming Danish sovereignty over the Arctic territory, following months of tensions sparked by President Donald Trump’s earlier demands to acquire the island. The deal, announced by Trump on September 18 and expected to be signed during the United Nations General Assembly later this week, aims to strengthen security cooperation in the Arctic region amid concerns over Russian and Chinese influence.
President Trump described the agreement as granting the U.S. “permanent control over security, and all other needs, in Greenland,” asserting that it would address all American security concerns. He also stated that Washington would immediately begin expanding its military presence on the island, which is strategically important due to its location and mineral resources. Trump emphasized that no adversaries, including Russia and China, would be permitted to establish bases or make sensitive investments in Greenland without U.S. approval.
Despite Trump’s strong statements, officials from Denmark and Greenland underscored that the deal respects the sovereignty and territorial integrity of the Kingdom of Denmark and recognizes Greenland’s right to self-determination. Danish Prime Minister Mette Frederiksen described the forthcoming agreement as one that would enhance security in the Arctic and North Atlantic while maintaining the political status of Greenland as a Danish autonomous territory. Greenland’s Prime Minister Jens-Frederik Nielsen highlighted that the pact benefits collective security and supports the island’s ongoing development.
The detailed terms of the agreement have not been publicly disclosed, leaving questions about the extent of U.S. authority and military expansion. Analysts note the deal is a compromise: it allows the U.S. to reassure its strategic interests in the Arctic without formally acquiring or annexing Greenland. Denmark and Greenland have long resisted Trump’s previous demands to sell the island and condemned any suggestion of unilateral U.S. action.
The agreement reportedly prohibits any non-NATO military bases in Greenland and restricts foreign investments to NATO and European Union members, aiming to prevent rival powers from gaining a foothold. The U.S. already operates a key installation there, the Pituffik Space Base, which supports missile defense and space surveillance for NATO.
The announcement follows a period of heightened diplomatic tensions within NATO, with European allies expressing concern over Trump’s earlier threats to seize Greenland by force. NATO has welcomed the pact as a step toward securing stability and cooperation in the Arctic and the North Atlantic region.
Among Greenland’s local population, reactions to the deal are mixed, with some expressing skepticism about increased American involvement and cautioning against perceived infringement on Greenlandic independence.
Parliamentary approval by Denmark and Greenland remains necessary before the agreement takes effect, and U.S. congressional involvement has not been clarified. The upcoming U.N. General Assembly meeting is expected to mark the formal signing of the pact by all three parties, potentially ending months of uncertainty over Greenland’s security and future strategic alignment.