President Donald Trump signaled openness to offering security guarantees for Ukraine but ruled out NATO as the framework for such commitments, marking a significant departure from traditional alliance-based security policy.

Speaking about recent conversations with European leaders, Trump said: “They want to get back to leading their countries. They're consumed with this far more than we are... There will be some form of security. It can't be NATO because that's just not something that would ever, ever happen.”

The comments suggest the U.S. may pursue bilateral or alternative security arrangements for Ukraine rather than relying on NATO, which Kyiv has long sought to join. The move underscores Trump’s broader skepticism toward NATO and his preference for more flexible, deal-based approaches to foreign policy.

European leaders have expressed mixed reactions, balancing their desire to support Ukraine’s defense against Russia with concerns about overstretching commitments and domestic pressures at home. For Ukraine, the prospect of guarantees outside NATO presents both opportunity and uncertainty, as Kyiv continues to push for stronger international backing while its war with Russia grinds on.

Trump’s remarks highlight an evolving debate over what postwar security for Ukraine might look like — and whether NATO’s role in Europe could be reshaped in the process.