Key facts
- A new security agreement has been reached between the U.S., Denmark, and Greenland.
- The agreement was announced by U.S. President Donald Trump on September 18, 2026.
- The deal aims to bolster security and U.S. military presence in the Arctic.
- The agreement reaffirms Danish sovereignty and Greenland's right to self-determination.
- The arrangement does not entail a transfer of sovereignty to the U.S.
- The agreement includes restrictions preventing U.S. adversaries from establishing bases or sensitive investments in Greenland without U.S. consent.
The United States, Denmark, and Greenland have reached a new security agreement that will bolster U.S. military presence and capabilities in the Arctic. Announced by U.S. President Donald Trump on September 18, 2026, the deal aims to enhance security in the region while reaffirming Danish sovereignty and Greenland's right to self-determination.
