US signs security deal to build two military bases in Greenland US President Donald Trump signed a security agreement on Tuesday with leaders from Greenland and Denmark which will allow the US to build two military bases in southern and eastern Greenland. "The United States shall be allowed to establish an additional Defense Area at Narsarsuaq and Mestersvig in accordance with modalities and technical details to be mutually agreed by the Parties," the deal said. “It’s going to be a long-term, fantastic relationship,” Trump said after signing the deal in a ceremony on the sidelines of the main event.
US President Donald Trump (R) shakes hands with Prime Minister of Greenland Jens-Frederik Nielsen after signing a security deal, on 22 September 2026 (Chip Somodevilla/AFP) The agreement will enable the US to expand its military presence on Greenland through the modernisation and enlargement of its current Pituffik Space Base and the establishment of new defence areas at Narsarsuaq and Mestersvig.
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