Denmark: NATO shares responsibility for Arctic security under Greenland deal

21 Sep 2026, 8:16 AM
Denmark: NATO shares responsibility for Arctic security under Greenland deal

COPENHAGEN, Sept 21 — Denmark, Greenland, and the United States (US) are set to sign a deal on Greenland's security, an agreement which Denmark says will put Arctic security under NATO's watch rather than leaving it solely to Washington and Copenhagen.

The agreement, expected to be signed at the United Nations General Assembly in New York City on Tuesday, has not been made public, though US President Donald Trump says it grants the US "permanent control". Denmark and Greenland have not commented on Trump's claim but said the deal will benefit the Arctic island and respect its sovereignty.

The deal follows months of pressure from Trump, who said the US should control Greenland and at times refused to rule out using military or economic force to acquire the semi-autonomous Danish territory.

His threats, which peaked in January, triggered a diplomatic crisis within NATO and pushed Denmark and Greenland into negotiations with Washington aimed at defusing the pressure.

"It (the agreement) will be in a form where responsibility for security in the Arctic is not only Danish or American," Danish Foreign Minister Lars Løkke Rasmussen told national broadcaster TV2 on Sunday. He added that to a large extent "it would be NATO that looks after the Arctic".

United States President Donald Trump speaks at David S. Mack Centre for Training and Intelligence in Garden City, New York, the US, on August 14, 2026. — Picture by REUTERS

Promoting 'security, stability, and cooperation'

On Saturday, a NATO spokesman said that the alliance welcomed the agreement, which would "help advance security, stability, and cooperation in this vital region".

Rasmussen, who travelled to New York overnight, declined to discuss the contents of the agreement.

"But we have said from the start that we are open to accommodating the United States' legitimate security interests," he told Danish news agency Ritzau on Monday.

In a post on Truth Social on Friday, Trump said the agreement gives the US "permanent control over security, and all other needs, in Greenland," and that no US adversary could have a base or military presence there without Washington's written approval.

Denmark has not responded to Trump's claim, though Copenhagen has earlier acknowledged it underinvested in Greenland's defence for decades and has pledged to expand its military presence on the island, including more NATO troops.

Key details have not been made public, including whether the deal amends the 1951 defence agreement that is the legal basis for the US presence in Greenland.

Greenland's government has sought to reassure the public about the deal.

Meanwhile, Greenland opposition lawmaker Erik Jensen wrote on Facebook that he had read the draft agreement.

"I feel reassured and am not worried," he said, adding that the island's foreign minister was handling the work well.

Snow covered mountains rise above the harbour and town of Tasiilaq, Greenland, on June 15, 2018. — Picture by REUTERS
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