Update: Denmark and Greenland say US security agreement will not cede sovereignty

Trump said in a public social media statement that the United States would have enduring ability to take necessary action to secure Greenland and the US. He also said an adversary could not establish a base, military presence or sensitive investment there without explicit written US approval.

Greenland Prime Minister Jens-Frederik Nielsen later said the agreement recognizes the Kingdom's sovereignty and territorial integrity and Greenlanders' right to self-determination. Danish Foreign Minister Lars Løkke Rasmussen said it should strengthen Arctic, North Atlantic and NATO security while respecting the Kingdom's red lines.

Reuters reported that signing is expected during next week's UN General Assembly, and NATO welcomed the agreement. Its text, US force levels, locations, cost sharing and formal authority over foreign bases or investment remain undisclosed.

This report is now marked corrected/updated and remains graded A. The public statements are confirmed; the unpublished legal and implementation details remain developing.