The planned reductions to parts of the alliance’s force structure and some advisory groups mark the Trump administration’s latest move to scale back military investment in Europe’s defense.

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.

Trump has long said he deserves the Nobel Peace Prize. Venezuelan opposition leader Maria Corina Machado, who recently won the prize for her fight for democracy, gave her prize medal to Trump. But the Norwegian Nobel Committee said the award can’t be revoked, shared or transferred.

The US president earlier said Nato would be in "the ash heap of history" without him, after doubling down on his Greenland demands.

If anyone in Europe knows NATO and Danish politics, it’s Anders Fogh Rasmussen, the military alliance’s former secretary general and a former Danish prime minister. “Tariffs on allies make no sense,” Rasmussen told The Wall Street Journal.

Get the latest news and live updates on the Trump administration as House Speaker Mike Johnson marks a U.K. milestone and the Supreme Court weighs Hawaii's 'vampire' gun law.

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

Of all the reasons why critics say the U.S. shouldn’t take over Greenland, the threat to the North Atlantic Treaty Organization stands out as a particularly existential one for the post-WWII world order.