US and Denmark Reach Deal on Expanded Security Presence in Greenland

US President Donald Trump announced on Friday that the United States and Denmark had reached a security agreement covering Greenland. According to Trump, the deal grants the US "permanent control over security, and all other needs," on the Arctic island. In a post on his Truth Social platform, he described the agreement as "very important, historic, and special," framing it as a personal achievement.

According to the office of the Danish prime minister, the agreement is expected to be signed next week on the sidelines of the United Nations General Assembly by representatives of the United States, Denmark, and Greenland. However, the deal still requires approval from the parliaments of both Denmark and Greenland before it can take effect, meaning the final outcome remains uncertain. Danish officials have not yet confirmed all the specifics that Trump described.

The announcement follows months of tension. Trump had repeatedly signaled interest in acquiring Greenland, at times not ruling out the use of military force to do so. These statements drew significant international attention and criticism from European allies, given that Greenland has been under Danish control since the 18th century.

Denmark and Greenland now say the new agreement preserves their sovereignty and Greenland's right to self-determination. At the same time, it is expected to allow the United States to significantly expand its military presence on the island. Trump said Washington intends to begin expanding its military infrastructure in Greenland immediately.

A key element of the agreement, according to Trump, involves barring what he described as "US adversaries." Under the deal, other countries would be prohibited from establishing their own military bases, stationing forces, or making sensitive investments in Greenland without explicit written approval from the United States. Observers have linked this provision to broader strategic competition between the US, Russia, and China over influence in the Arctic, though the reports reviewed do not detail the specific motivations of the governments involved.

Greenland has drawn growing geopolitical interest both because of its location along key Arctic shipping and air routes and due to its largely untapped mineral resources, including rare earth elements. The US has long operated the Pituffik military base in the island's northwest under existing defense arrangements with Denmark.

No complete official text of the new agreement has been made public so far, leaving several questions unresolved. It remains unclear exactly how far-reaching the "permanent control" described by Trump will be in practice, what legal mechanisms will underpin it, and how the Danish and Greenlandic governments intend to balance an expanded US presence with their own sovereignty in implementation.

The planned signing during the UN General Assembly is likely to draw international attention to the future security posture of the Arctic region. Whether and how the Danish and Greenlandic parliaments will approve the agreement remains to be seen. Observers expect further details to emerge only after the formal signing and subsequent parliamentary debate.