Of all the warnings in President Trump's arsenal, quitting the NATO military alliance is among those he's wielded the most. Now he's doing it again. Asked by Britain's Telegraph newspaper if he is reconsidering U.S. membership of NATO, he said: 'Oh yes… I would say [it's] beyond reconsideration' – fuming again that his partners weren't joining America's military operations, alongside Israel, against Iran.

'I just think it should be automatic,' he emphasized in his remarks to the paper. Trump's invective underlines again his misunderstanding of how this 32-member alliance works. NATO's Article 5 does commit it to collective defense. An attack against one member is deemed to be an attack against all, but invoking this principle requires a consensus. The 1949 treaty only referred to crises in Europe and North America.

One ally after another has held back from joining a war they weren't consulted on, given they still don't understand its goals in the face of mixed messaging from the Trump administration. Article 5 has only been triggered once, in the wake of the September 11th attacks on the U.S. in 2001. Trump also referenced Ukraine in the Telegraph, saying: 'We've been there automatically, including Ukraine.' After Russia's audacious full-scale invasion of Ukraine in February 2022, then-U.S. President Joe Biden took a leading role in shaping the response of individual Western governments because he believed President Putin's actions threatened them all.

NATO, as an alliance, provided assistance but avoided the dangerous prospect of becoming directly involved as a party to the conflict. Even before Trump entered the White House in 2017, he repeatedly dismissed NATO as a 'paper tiger,' described it as 'obsolete', and said that it was 'costing a fortune' for the U.S.

This year, he mocked the alliance, saying Russia would have occupied all of Ukraine if the U.S. had not been NATO's enforcer. Trump almost walked out in early 2019, during his first term in office. In his recent comments, Secretary of State Marco Rubio expressed concerns regarding NATO's role after ongoing conflicts, suggesting a re-examination of the relationship if the conflict concludes. Such sentiments raise questions about NATO's cohesion as it deals with Trump's continuous criticisms.

The U.S. Congress has recently voted to prohibit the president from unilaterally withdrawing from NATO without the approval of a two-thirds Senate majority or an act of Congress. As the current NATO Secretary General, Mark Rutte, works to keep the alliance intact amid growing global challenges, including increased tensions in Ukraine and the Middle East, the potential implications of Trump's commentary loom large over the future of the alliance.}