The Daily BriefMorning Briefing · Wednesday 23 September 2026 · 21:00 BST
Morning Briefing · Wednesday 23 September 2026

Greenland Text Published: Golden Dome, No End Date, No Non-NATO Bases

The agreement signed at the UN was released overnight: it amends the 1951 defence treaty, allows “an additional Defence Area at Narsarsuaq and Mestersvig”, permits the Golden Dome missile-defence system, bars military installations by non-NATO states, restricts non-NATO and non-EU investment in critical infrastructure and mining — and has no expiry. Mette Frederiksen called it “a deal that can last forever”; Mr Trump said no adversary would gain a presence “without our express written approval”. Both Copenhagen and Nuuk must ratify.

Dive deeper

Yesterday’s question — how “good for all three” and “permanent control” could share one document — now has an answer: the text grants permanence without sovereignty. Denmark keeps the flag; America keeps, indefinitely, the right to decide who else may build, invest or garrison on the island, which is control in every sense that matters to a strategist and none that matters to a constitutional lawyer. The investment clause is the sleeper — a veto over Chinese and other non-allied money in Greenland’s minerals, written into a defence treaty. Jens-Frederik Nielsen’s formulation, “not only an agreement about us, it is an agreement with us”, is the line Greenland’s parliament will have to believe; the text also keeps Greenland in NATO should it ever become independent. Watch the ratification debates in Copenhagen and Nuuk, and whether “forever” survives them.

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