Under a new agreement, the US will expand its military presence in Greenland while barring adversaries from building bases on the island ▻ ↧ EXCLUSIVE: US and Denmark reach deal on Greenland, Trump says The United States, Denmark and Greenland have entered into an agreement for the US to ‌develop a significant military presence on Greenland, while prohibiting US adversaries from building their own bases on the island, Donald Trump said on Friday.