Macron To Unveil Potential Nuclear Doctrine Shift As Europe Questions U.S. Deterrence Role

French President Emmanuel Macron is set to outline possible changes to France’s nuclear deterrence doctrine amid mounting European security fears and uncertainty over U.S. commitments under Donald Trump. Speaking from the Île Longue submarine base, Macron will address how France’s roughly 300 nuclear warheads — deployed via submarines and aircraft — fit into a rapidly shifting geopolitical order shaped by Vladimir Putin’s war in Ukraine and global nuclear expansion. As the European Union’s only nuclear-armed state, France faces growing calls to clarify whether its deterrent could take on a broader European dimension.