Mette Frederiksen (Prime Minister, Denmark) and Jens-Frederick Nielsen (Prime Minister, Greenland) joined Donald Trump in New York to sign the deal, which lets the U.S. add two military bases without separate local approval.
Catch up
- Sep. 8 — The EU pledged aid to Greenland while 11 NATO allies ran Arctic military drills without American participation.
- Sep. 19 — Trump claimed a deal gave the U.S. permanent security control over Greenland, though Denmark withheld confirmation and text.
- Sep. 20 — Denmark and Greenland insisted their sovereignty remained intact, disputing Trump's control claims and noting both parliaments must vote.
Basing details and history
- Both Danish and Greenlandic parliaments must still complete ratification procedures before the expanded basing rules take effect.
- The agreement updates a 1951 defense treaty that had left the U.S. with just one base at Pituffik, down from a World War II peak of 17.
- Adversaries currently have no significant military footprint or active investments on the island.