President Donald Trump publicly criticised NATO during a summit in Ankara, Turkey, on Wednesday, declaring that the alliance had failed "two key tests" and that he was "not happy" with its members. He cited NATO's response to his push to bring Greenland under US control and its unwillingness to assist the United States in confronting Iran, which he described as the world's leading state sponsor of terror. The remarks are significant because they signal renewed strain between the US president and NATO allies over both Arctic security and Middle East policy.

Trump has repeatedly proposed acquiring Greenland — an autonomous territory whose defence, foreign affairs and monetary policy are backed by Denmark, and whose residents are Danish citizens — arguing it is critical to global security and US missile-warning and Arctic defence systems as China and Russia expand their regional presence. He insisted the island "should be controlled by the United States, not by Denmark," and claimed his acquisition push was in fact a test of whether world leaders would back Washington. He also referenced recent US air strikes against Iran, stating that America had not needed allied help, while criticising Danish leadership for allegedly failing to support Greenland and its people.