President Trump announced Friday that the United States has reached a new security agreement with Denmark and Greenland that he says will give Washington permanent authority to meet American security needs on the island.
The announcement centers on military access, Arctic defense and limits on adversary activity. It does not amount to a transfer of Greenland’s sovereignty or ownership to the United States.
The White House described the deal as giving the United States complete and permanent control over security in Greenland while excluding adversaries from the island and surrounding region.
Here is the White House announcement:
BREAKING: President Donald J. Trump announces complete and permanent American security control over Greenland, and excludes any adversary from Greenland and the surrounding region. pic.twitter.com/MVuT4yAfG5
— The White House (@WhiteHouse) September 18, 2026
The Associated Press reported that President Trump said the agreement would support a larger U.S. military presence in Greenland. The Danish Embassy in Washington had not immediately commented to the outlet.
President Trump said the United States would begin developing that larger military presence immediately and that the arrangement would prevent adversaries from establishing bases, a military presence or sensitive investments without written U.S. approval.
He also said the deal would carry no cost to the United States and described its duration as unlimited. Full public text of the agreement was not immediately available Friday evening.
The announcement follows months of dispute over President Trump’s push for greater American control in Greenland, a self-governing territory within the Kingdom of Denmark. Danish and Greenlandic officials had repeatedly said the island was not for sale while remaining open to talks about Arctic security.
Fox News summarized the announced result as a deal securing U.S. military rights in Greenland:
BREAKING: President Trump announces historic deal with Greenland securing US military rights.
— Fox News (@FoxNews) September 18, 2026
Reuters reported that the United States, Denmark and Greenland expect the agreement to produce a significant American military presence and bar U.S. adversaries from establishing their own bases there.
The wire service summarized those two central military provisions here:
The United States, Denmark and Greenland have entered into an agreement that will see the US develop a significant military presence on the island, while prohibiting US adversaries from building their own bases there, President Trump said https://t.co/DjGK2a8BlC
— Reuters (@Reuters) September 18, 2026
The three governments are expected to sign the agreement next week during the United Nations General Assembly in New York. After signing, it must go through the required parliamentary procedures before it can take effect.
Greenland’s chairman, Jens-Frederik Nielsen, said the prospective agreement recognizes Greenland’s interests and strengthens security for Greenland, Denmark, the United States and the Western alliance. Danish Prime Minister Mette Frederiksen said it also recognizes the Kingdom of Denmark’s sovereignty and territorial integrity and Greenlanders’ right to self-determination.
That distinction is central: the announced agreement concerns security authority and military access, not a sale or annexation of Greenland.
Denmark’s Foreign Ministry says the United States has maintained a military presence in Greenland since World War II. The relationship is governed by a 1951 defense agreement and later additions and adjustments, which together form the legal framework for American military activity there.
Pituffik Space Base is now the only remaining U.S. defense area on the island, although the American presence historically included other sites. The ministry also notes that U.S.-Greenland cooperation extends beyond military matters, including earlier agreements on energy and mineral resources.
The new agreement would build on that long-standing framework at a time when the Arctic has become more important to missile warning, satellite operations, air and maritime access, and strategic competition involving Russia and China. Its practical impact will depend on the final text and on how the three governments implement the announced authority.
The announcement is significant, but key implementation details will remain unsettled until the governments release the final text, sign it and complete the required legislative steps.
This is a Guest Post from our friends over at WLTReport. View the original article here.
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