On September 18, 2026, Donald Trump revealed a defense deal intended to bolster American military involvement in Greenland, pending final signatures and legislative consent from Danish and Greenlandic authorities.
Donald Trump secured an agreement with the government of Denmark to increase the United States military presence in Greenland.

United States Denmark Greenland Security
Source: theguardian.com
Key Evidence
Donald Trump stated on September 18, 2026, that a deal was finalized with Denmark to expand military collaboration in Greenland.
The arrangement is currently unsigned and necessitates legislative validation from both Danish and Greenlandic governments.
What the Evidence Shows
During a September 18, 2026, address, Donald Trump declared that the United States secured a defense accord with Denmark to broaden its strategic footprint within Greenland. This initiative seeks to solidify defense ties, expanding on the foundational principles set by the 1951 Defense of Greenland Treaty.theguardian.comtheguardian.comUnited States Denmark Greenland SecurityOn September 18, 2026, President Donald Trump announced that the United States had reached a security agreement with the Kingdom of Denmark and the semi-autonomous territory of Greenland This agreement follows months of diplomatic tension...
cbsnews.comcbsnews.comDenmark Greenland Leaders Us Security Deal TrumpMilitary Presence: The agreement is expected to facilitate an expanded U.S. military presence in Greenland While the U.S. has maintained a military presence in Greenland since the 1951 Defense of Greenland Treaty, this new pact is viewed... The terms reportedly prohibit non-NATO nations from building bases in the territory and place limitations on specific foreign investments.+1 more
Although the American leader described the deal as granting the United States lasting authority over regional security, representatives from Denmark and Greenland emphasized that the arrangement does not alter existing territorial sovereignty or ownership.theguardian.comtheguardian.comDenmark Greenland Us Military Agreement Territorial SovereigntyStatus of Sovereignty: While President Trump described the deal as providing the U.S. with "permanent control over security" in Greenland, Danish and Greenlandic officials have clarified that the agreement does not involve a transfer of... The pact awaits a formal signing ceremony, likely scheduled during the United Nations General Assembly, and must undergo rigorous parliamentary review in both Copenhagen and Nuuk to achieve ratification.
google.comgoogle.comyoutube.comProcedural Status: At the time of the announcement, the agreement had not yet been formally signed It is expected to be signed on the sidelines of the United Nations General Assembly and will require parliamentary procedures in both...
Verified Sources8
Denmark Greenland Us Military Agreement Territorial Sovereignty
Denmark Greenland Leaders Us Security Deal TrumpPrimary Source Extraction
""It has taken some time," he told Denmark's TV2 broadcaster. "I'm pleased that we finally have an end product within reach. And it's about time." A State Department official told CBS News the U.S. was guaranteed permanent access to the island and overflight rights, allowing the military to potentially increase the number of bases. The deal also blocks non-NATO members from establishing military bases, and restricts American adversaries from making sensitive investments in Greenland, the official said."
"The agreement is expected to be signed in New York City on Tuesday when world leaders will be in town for the United Nations General Assembly, two U.S. officials told CBS News. However, the office of Denmark's prime minister, Mette Frederiksen, said parliamentary action is still needed by the Danish and Greenland governments before it can be enforced. "Next week could be a good week … for Greenland, Denmark, and the United States alike," Danish Foreign Minister Lars Løkke Rasmussen wrote in an Instagram post Saturday morning."
""The new agreement explicitly recognizes the sovereignty and territorial integrity of the Kingdom of Denmark and the Greenlandic people's right to self-determination," the activist added. In Denmark, many expressed relief that a deal with the U.S. seemed close. Michael Burgaard from Gentofte, north of the Danish capital of Copenhagen, was hopeful the crisis was over "because just a fortnight ago, Donald Trump posted this map showing Greenland ... as part of the U.S.""