As part of the move, which the Trump administration has communicated to some European capitals, the U.S. will eliminate roughly 200 positions from the NATO entities that oversee and plan the alliance's military and intelligence operations, said the sources, who requested anonymity to discuss private diplomatic conversations.

TIME spoke to legal experts about whether Trump could legally pull the U.S. out of NATO and the wider implications.

Denmark, Norway, Sweden, France, Germany, the United Kingdom, the Netherlands and Finland are casting a united front after Trump threatens tariffs.

Denmark’s Prime Minister Mette Frederiksen has issued one of her strongest public warnings yet. This comes after US President Donald Trump renewed his controversial claims over Greenland. Frederiksen’s message was clear and serious.

White House Deputy Chief of Staff Stephen Miller said that the United States could take control of Greenland without facing military resistance, dismissing concerns about the implications for the NATO alliance.

U.S. NATO ambassador Matthew Whitaker defends American focus on Greenland amid European backlash, calling Arctic security crucial for continental defense.

NPR's Steve Inskeep asks Kurt Volker, a former U.S. ambassador to NATO, about what critics perceive as the Trump administration's threat to the transatlantic alliance.

Bessent's comments come at a time when tensions have risen between the United States and European allies over Greenland, with the issue triggering wider debate on transatlantic security and the future direction of NATO.