U.S. President Donald Trump said Greenland has become a central national security priority for the United States, arguing that control and access to the Arctic territory are essential to defending the American homeland against emerging missile threats.

“NATO has been dealing with us on Greenland,” Trump said. “We need Greenland for national security very badly. If we don’t have it, we have a big hole in national security — especially when it comes to what we’re doing in terms of the Golden Dome.”

The remarks revive Trump’s long-standing interest in Greenland, first publicly raised during his presidency in 2019, but now framed within a broader strategic context. Trump linked the territory directly to the “Golden Dome,” a proposed next-generation missile defense initiative designed to counter advanced Russian and Chinese hypersonic weapons.

Greenland’s geographic position in the Arctic makes it uniquely valuable for early-warning radar, missile tracking, and interceptor placement. The island sits along key polar routes used by intercontinental ballistic missiles, making it a critical node for detecting and responding to potential attacks aimed at North America.

The United States already operates from Thule Air Base in northern Greenland, which plays a vital role in missile early-warning and space surveillance. Trump’s comments suggest that expanded access or deeper strategic control could be necessary as threats evolve and missile technology becomes faster and more maneuverable.

While Greenland remains part of the Kingdom of Denmark and enjoys broad self-rule under Denmark’s constitution, Trump’s emphasis on NATO involvement indicates that Washington may seek enhanced agreements rather than outright sovereignty. Such arrangements could include expanded basing rights, radar installations, and joint defense infrastructure under the NATO framework.

Trump’s renewed focus underscores his broader defense posture, which prioritizes deterrence, territorial advantage, and technological superiority. By tying Greenland to the Golden Dome concept, he positioned Arctic defense not as a regional issue, but as a core component of U.S. homeland security in an era of great-power competition.