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Denmark says Greenland security pact will place Arctic oversight largely with NATO

September 21, 2026 · by DPW Pipeline

Denmark says Greenland security pact will place Arctic oversight largely with NATO

COPENHAGEN — Denmark, Greenland and the United States are preparing to sign a security agreement concerning Greenland on Tuesday, and Copenhagen says the arrangement will spread responsibility for Arctic security across the alliance rather than confining it to a bilateral matter between Washington and Copenhagen.

The deal is expected to be signed on the margins of the UN General Assembly in New York. Its full text has not been released, and key questions remain unanswered — including whether it modifies the 1951 defence agreement that has long served as the legal foundation for the American presence on the island.

Conflicting characterisations

President Donald Trump has publicly characterised the agreement as giving the United States “permanent control” over security in Greenland, writing on Truth Social that no U.S. adversary could establish a base or military presence there without written approval from Washington. Danish and Greenlandic officials have not confirmed that description, saying only that the deal will benefit the island and respect its sovereignty.

Danish Foreign Minister Lars Lokke Rasmussen told national broadcaster TV2 that the agreement is structured so that responsibility for Arctic security “is not only Danish or American,” adding that “to a large extent it would be NATO that looks after the Arctic.” A NATO spokesperson said the alliance welcomed the deal, saying it would help advance security, stability and cooperation in the region.

Background to the negotiations

The pact follows months of pressure from the U.S. president, who has repeatedly argued that the United States should control the semi-autonomous Danish territory and at times declined to rule out economic or military coercion. Those statements, which intensified in January, produced a diplomatic strain within NATO and prompted Denmark and Greenland to enter negotiations with Washington.

Rasmussen, speaking to Danish news agency Ritzau ahead of the signing, declined to discuss specifics but reiterated that Denmark has been open to accommodating what it regards as the United States’ legitimate security interests. Greenland’s government has sought to reassure residents, and opposition lawmaker Erik Jensen wrote on Facebook after reviewing a draft that he felt reassured by the text.

Denmark has previously acknowledged that it underinvested in Greenland’s defence for decades and has pledged to expand its military presence on the island, including a larger NATO troop presence.

Market context

Defence-sector shares have drawn attention amid shifting European security commitments. Among smaller-cap defence suppliers, National Presto Industries (NPK) — an Industrials-sector company in the Aerospace & Defense industry that also operates a housewares business — traded at $144.01, down 1.72% from its previous close of $146.52, for a market capitalisation of roughly $1.06 billion.

What to watch

  • Release of the agreement’s text after Tuesday’s scheduled signing in New York.
  • Any official clarification of whether the 1951 U.S.–Denmark defence agreement is amended.
  • Formal responses from Copenhagen and Nuuk to the U.S. president’s characterisation of the deal.
  • NATO announcements on troop or presence commitments in the Arctic region.
  • Denmark’s pledged defence spending increases relating to Greenland.

Source: original release