President Donald Trump, Danish Prime Minister Mette Frederiksen, and Greenland Prime Minister Jens-Frederik Nielsen are scheduled to sign a trilateral security agreement today on the sidelines of the UN General Assembly in New York. The pact expands U.S. military access and basing rights on the strategically located Arctic territory, including potential new sites, while barring non-NATO adversaries from establishing bases or making sensitive investments without U.S. approval. It builds on the 1951 defense framework without transferring sovereignty or altering Greenland’s status within the Kingdom of Denmark. Trump has described the “infinite life” deal as delivering permanent U.S. security control at no cost, following months of negotiations sparked by his earlier acquisition proposals. The signing resolves recent diplomatic tensions and could trigger market resolution depending on the precise cutoff date.