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Trump signs Greenland security pact expanding military access while preserving Danish sovereignty

By The Likely · Updated Sep 29, 12:34 PM ET · Drawn from 11 sources · Written by AI, checked against sources

Donald Trump, Danish Prime Minister Mette Frederiksen, and Greenlandic Prime Minister Jens-Frederik Nielsen signed a trilateral security agreement on September 22, 2026. The pact expands American military operating access while affirming Danish territorial sovereignty.

Why it mattersResidents near Narsarsuaq and Mestersvig may see increased American defense construction and military activity.

Will the United States acquire any part of Greenland before January 21, 2029? Before January 21, 2029 leadsUnlikely23%▲ from 15% a week ago

How we got here

  1. The United States and Denmark signed the original defense agreement regarding Greenland. Gov
  2. Trump announced a security agreement with Denmark and Greenland after months of tensions over his demands for U.S. control of the island. The Hill
  3. Trump, Frederiksen, and Nielsen signed the agreement at the United Nations in New York. Gov, AP

What's likely next

  1. The agreement enters into force after the necessary parliamentary procedures in Denmark and Greenland are completed and Denmark sends the United States a diplomatic note; the text gives no calendar date for this.

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