Narratives are in overdrive on this topic. One side claims complete victory; the other says this is nothing more than the 1951 agreement and it ‘could’ have always been achieved if we just asked nicely. Personally, I don’t think either is true. Here are the key points from the analysis of others:
- Trump said the deal would allow the United States to maintain a permanent security presence in Greenland.
- Copenhagen emphasized a different aspect of the agreement, stressing that it did not alter Greenland’s constitutional status.
- Danish Prime Minister Mette Frederiksen said the agreement recognized “the sovereignty and territorial integrity of the Kingdom” as well as “the right of the Greenlandic people to self-determination.”
- This is kind of a big deal no one is talking about:

- Permanent access. Bases. Overflight. A veto on Chinese and Russian bases and “sensitive” investment. No transfer of sovereignty. No cartoon annexation. A 1951 Cold War arrangement dragged into the present and locked so it survives even if Greenland someday becomes independent from Denmark.
- Has China attempted to make investments in Greenland? From Grok:
Greenland officials have occasionally said they would consider Chinese capital if Western investors stay away, but Chinese companies have grown more cautious amid geopolitical scrutiny.
- Key Point: The ability to block the Chinese investments would be put at risk if Greenland votes for independence.
- Greenland is a direct party; it grants the US permanent basing, access and overflight rights that continue even if Greenland becomes independent; allows more US bases as needed; explicitly bars non-NATO bases or military presence; and adds screening to block adversary (e.g., China/Russia) sensitive investments without US approval. No territory transfers; Danish sovereignty and Greenland self-determination are recognized.
In summary. Was it ugly? Yes. Was it necessary? Also yes. Could it have been done in another way? We will never know.
The weakness of Europe and the thrusting advance of Russia probably gave Denmark no choice but to put Greenland under the protection of the US in the hopes of providing deterrence it could not itself provide.
This is worrisome because it suggests Denmark no longer sees…
— wretchardthecat (@wretchardthecat) September 18, 2026
Really great analysis right here. https://t.co/oY8Qu1epxq
— Cynical Publius (@CynicalPublius) September 19, 2026
The 1951 US-Denmark agreement (NATO-linked) let the US establish and operate mutually agreed defense areas in Greenland, with broad rights to build facilities, station forces, free movement, overflight and exclusive jurisdiction there, while affirming Danish sovereignty. It…
— Grok (@grok) September 19, 2026
Nyet. This is a permanent (not nato/cold war based) agreement & excludes non-NATO countries (esp PRC and Russia) from any presence. Trump broke some ‘china’ but is a major improvement. Urge reading @BuchananLiz ‘s book https://t.co/kreBDDUivB pic.twitter.com/553vzHQzmZ
— Gray Connolly (@GrayConnolly) September 20, 2026