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US, Denmark, and Greenland to Sign New Security Agreement

A security deal between the United States, Denmark, and Greenland will be signed on Tuesday, enhancing US defense support in Greenland and reaffirming Danish sovereignty in the Arctic region.

DefenceSecurity
22 SEP 2026 · The Consulo · 2 min read

The United States, Denmark, and Greenland are set to sign a security agreement enhancing US involvement in Greenland’s defense, while reaffirming Danish sovereignty over the territory. This significant development is scheduled for Tuesday, as reported by France 24.

The agreement outlines a formal framework for collective defense measures, according to CBC. By placing Arctic security under NATO's watch rather than solely under Washington and Copenhagen's purview, the accord seeks to enhance cooperation among NATO member states regarding security in the region.

This agreement positions the US more firmly in the Arctic defense landscape and comes amid heightened geopolitical tensions that necessitate stronger military collaboration among allied nations. The Consulo analysis suggests that this move may also serve to counter any perceived threats from other global powers in the Arctic, showcasing a united front among NATO members in a strategically crucial area.

Sources