France is preparing to expand its nuclear arsenal and deepen nuclear cooperation with European allies, according to President Emmanuel Macron, who outlined a new deterrence strategy in a speech from a submarine base in Brittany. The move signals a major evolution in France’s military doctrine and represents a growing sense of strategic independence among European nations amid shifting global dynamics.

European Nations Show Interest in Nuclear Collaboration

France and the United Kingdom are the only European nations with independent nuclear arsenals, but most European countries have traditionally relied on the United States for nuclear protection. However, recent tensions with the U.S. under former President Donald Trump, particularly regarding the Ukraine war and U.S. policy toward traditional allies, have prompted European nations to explore alternative security arrangements.

Macron emphasized that Europe is experiencing a period of ‘geopolitical upheaval fraught with risk,’ and that a stronger deterrence model is necessary. In his speech, he announced that Germany, Greece, Poland, the Netherlands, Belgium, Denmark, and Sweden would be invited to participate in French nuclear wargames and exercises.

‘I believe I can say our partners are ready,’ Macron stated, though he did not provide specific details on how the expanded nuclear program would be funded or how decisions on nuclear strikes would be made.

Germany and Poland Announce Nuclear Cooperation

German Chancellor Friedrich Merz, in a joint statement with Macron, confirmed that France and Germany had established a nuclear steering group to discuss deterrence issues. The two nations plan to begin concrete cooperation this year, including participation by German conventional forces in French nuclear exercises, joint visits to strategic sites, and the development of non-nuclear capabilities with other European partners.

Polish Prime Minister Donald Tusk said on X that Poland was in discussions with France and a group of European allies on a ‘programme of advanced nuclear deterrence.’ ‘We are arming up together with our friends so that our enemies will never dare to attack us,’ Tusk added.

Macron also outlined the possibility of establishing strategic assets in other European countries as part of a ‘forward deterrence’ doctrine, which could involve deploying French strategic air forces across the continent. However, he did not provide specifics on the circumstances under which such deployments might occur.

France’s Nuclear Arsenal and Strategic Goals

France’s nuclear strategy is based on a policy of ‘strict sufficiency,’ which aims to maintain a deterrent without excessive proliferation. However, Macron stated that the number of French warheads will increase as part of the new doctrine. France currently maintains a stockpile of 290 submarine- and air-launched nuclear weapons, the world’s fourth-largest arsenal, with annual expenditures of approximately 5.6 billion euros (about $8.53 billion) to sustain it.

Britain, which has 225 nuclear warheads, is also expected to maintain close ties with France on nuclear deterrence, according to Macron. He noted that the changes to France’s nuclear doctrine were made in full transparency with the United States and are complementary to NATO’s nuclear mission.

France’s move to expand its nuclear capabilities and collaborate with European allies comes at a time of heightened security concerns, with Russia’s continued military actions in Ukraine and the potential for new conflicts in Eastern Europe. The new strategy is expected to have long-term implications for European defense policies and could influence the future of NATO and transatlantic security cooperation.

Analysts suggest that the shift reflects a broader trend of European nations seeking to reduce their reliance on U.S. military protection and develop more autonomous defense capabilities. However, the move also raises questions about the potential for increased nuclear proliferation and the risk of escalating tensions with Russia and other global powers.