US, Denmark and Greenland Sign an Arctic Security Agreement
確定確度 86%Stated as firm, per the agreement text: "Done at New York on the 22nd day of September, 2026"; the clock time is not reported (NBC6's schedule listed "10:40 AM: President Trump participates in a trilateral signing" but a White House[1][2] photo is stamped 11:19 AM EDT), so it is held as an all-day date.
President Trump, Danish Prime Minister Mette Frederiksen and Greenland Prime Minister Jens-Frederik Nielsen signed a pact at UN Headquarters letting the US add defense areas at Narsarsuaq and Mestersvig and expand Pituffik Space Base. It bars non-NATO states from military installations in Greenland and has no end date.
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