France, holding the world's fourth-largest nuclear arsenal, has declared plans to expand its stockpile of nuclear warheads. President Emmanuel Macron's announcement comes amid a perceived waning of U.S. commitment to European defense under President Trump, prompting Europe to consider self-reliance in nuclear deterrence. Macron stated that the next fifty years will be characterized by the presence of nuclear weapons, emphasizing the need for France to enhance its defensive capabilities, which he believes is a responsibility towards ensuring solid deterrence both now and in the future.

In his speech at the Long Island Naval Base on February 2, Macron refrained from disclosing how many additional warheads would be developed. Currently, France possesses 290 nuclear warheads, ranking behind only Russia, the U.S., and China. Key nuclear disarmament advocates predict that France may increase its stockpile by 50 to 100 warheads over the next decade. Additionally, Macron hinted at a shift in France's nuclear doctrine, with plans to deploy aircraft capable of carrying nuclear missiles across eight European countries, including the UK, Germany, Poland, and Sweden.

Furthermore, France and Germany are set to conduct their first joint nuclear strike exercises within the year, integrating Germany’s conventional forces with France’s strategic nuclear capabilities. This collaboration aims to complicate adversaries’ calculations and serve as a powerful deterrent, particularly in light of the recent geopolitical tensions involving Russia. Macron argued that the rapid changes in international security necessitate this expansion of nuclear power, especially given the ongoing threats exemplified by conflicts involving nuclear-armed states, such as the war in Ukraine and recent U.S.-Israel operations against Iran.