# US-Denmark-Greenland Arctic defense agreement > Live situation record from CLSTR: https://clstr.news/situations/us-denmark-greenland-defense-agreement > Updated: 2026-10-11T11:00:25.000Z. Sources: 23. Developments: 5. On September 22, 2026, the United States, Denmark, and Greenland signed a trilateral defense agreement at the United Nations Headquarters in New York. This pact updates a 1951 defense agreement between the U.S. and Denmark, significantly expanding American military presence and access in the Arctic. Under the terms, the U.S. is permitted to expand the Pituffik Space Base and establish new defense areas in Narsarsuaq and Mestersvig. These efforts include enhancing space war-fighting capabilities and missile defense, such as a proposed ‘Golden Dome’ shield. The agreement also includes a clause ensuring continued U.S. military access even if Greenland achieves independence from Denmark. Furthermore, the deal prohibits non-NATO powers, specifically China and Russia, from establishing military bases on the island. Recent details clarify that the agreement is a permanent framework lacking an expiration date. It grants the U.S. military expanded access, including the ability to land aircraft anywhere on the island and move troops, vehicles, and vessels freely across land, sea, and air between designated defense areas. Additionally, Copenhagen and Nuuk have committed to ensuring that a future independent Greenland remains within NATO, inheriting Denmark’s rights and obligations. Following his re-election, U.S. President Donald Trump has intensified focus on the territory, stating the United States will “FOREVER have the complete ability to do what is necessary in Greenland.” U.S. special envoy to Greenland Jeff Landry noted that an increased American presence would “facilitate deployment of advanced missile defense systems” and “crowd out hostile Chinese and Russian influence.” By October 11, 2026, the Greenlandic parliament, Inatsisartut, began processing the agreement. The deal faces domestic opposition; Greenlandic Foreign Minister Múte B. Egede expressed concerns regarding a “breach of trust” with the United States due to previous political tensions. ## Claims - The United States, Denmark, and Greenland signed a defense agreement on September 22, 2026. (corroborated by 3 sources) - The agreement permits the expansion of the Pituffik Space Base in Greenland. (corroborated by 2 sources) - The agreement ensures US military access even if Greenland becomes independent from Denmark. (corroborated by 2 sources) - US special envoy Jeff Landry stated that an increased American presence would facilitate missile defense deployment and reduce Chinese and Russian influence. (corroborated by 2 sources) - The pact allows for the creation of new defense areas in Narsarsuaq and Mestersvig. (single source) - The deal bars non-NATO powers, such as China and Russia, from establishing bases in Greenland. (single source) - The trilateral pact updates a 1951 defense agreement between Denmark and the US. (single source) - Greenlandic Foreign Minister Múte B. Egede stated that a serious breach of trust has occurred with the United States. (single source) - Naleraq party chairman Pele Broberg criticized the agreement for granting rights to the US without providing equivalent economic benefits to Greenland. (single source) - The Naleraq opposition party is demanding the agreement be put to a public referendum. (single source) ## Timeline ### 2026-10-11: Greenland parliament debates new US defense agreement Greenland's parliament is debating a new US-Denmark-Greenland defense pact, amid criticism from the Naleraq party over economic benefits and calls for a public referendum. 4 sources. https://clstr.news/cluster/greenland-becomes-strategic-focal-point-for-us-arctic-policy ### 2026-10-09: US, Denmark, and Greenland sign military expansion agreement The US, Denmark, and Greenland have signed a trilateral agreement to expand US military presence and establish two large bases on Greenland, reaffirming Danish sovereignty in the process. 2 sources. https://clstr.news/cluster/us-denmark-and-greenland-sign-military-expansion-agreement ### 2026-10-04: United States, Denmark, and Greenland sign permanent Arctic defense pact The U.S., Denmark, and Greenland have signed a permanent defense agreement to strengthen Arctic security and expand U.S. military access and infrastructure on Greenland. 6 sources. https://clstr.news/cluster/united-states-denmark-and-greenland-sign-permanent-arctic-defense-pact ### 2026-09-30: United States, Denmark, and Greenland sign Arctic defense pact The U.S., Denmark, and Greenland signed a trilateral defense pact on September 22, 2026, expanding U.S. military presence in the Arctic and barring non-NATO powers from establishing bases on the island. 6 sources. https://clstr.news/cluster/us-and-denmark-sign-greenland-security-deal-to-expand-arctic-military-presence ### 2026-09-24: Greenland defense pact expands U.S. military access in the Arctic The U.S. and Denmark have signed a defense pact to expand American military access in Greenland, including new bases and installations, to counter Russian and Chinese influence in the Arctic. 6 sources. https://clstr.news/cluster/united-states-expands-military-access-to-greenland --- Cite as: US-Denmark-Greenland Arctic defense agreement. CLSTR, https://clstr.news/situations/us-denmark-greenland-defense-agreement