Europe’s New Nuclear Deterrence Debate and France's Answer

Europe’s New Nuclear Deterrence Debate and France's Answer

From Brussels Sprouts by Center for a New American Security | CNAS

March 13, 2026 · 50 min · Episode 74

About this episode

The episode discusses France's new nuclear deterrence doctrine and its implications for European security.

On March 2, 2026, in a speech at France’s Île Longue base, French President Emmanuel Macron unveiled major changes to France’s nuclear deterrence doctrine. First, Macron announced an increase, the first since 1992, in France’s nuclear stockpile. France currently maintains 290 warheads and will increase that number to a now-undisclosed count. He also announced a new doctrine, what he called “forward deterrence.” This is a partnership with seven European countries—Germany, Poland, Belgium, Denmark, Greece, the Netherlands, and Sweden—on strategic issues. That cooperation will include partner participation in nuclear exercises and the potential for France to temporarily deploy nuclear armed fighter jets to other European countries. While France will maintain the independence of its nuclear command and control and remain outside of NATO’s nuclear mission, this extension of the French nuclear umbrella represents a significant shift in French policy in response to the new realities of the European security environment, which includes a less reliable commitment from the United States. To help us understand these changes and to talk through broader implications of a declining U.S…

People in this episode

Guests: Claudia Major, Bruno Tertrais

Topics covered

  • nuclear deterrence
  • European security
  • France's military policy
  • U.S. presence in Europe
  • strategic partnerships

Keywords

  • nuclear stockpile
  • forward deterrence
  • European countries
  • nuclear exercises
  • French nuclear umbrella

Mentioned in this episode

Organizations: French President

Places: France, Germany, Poland, Belgium, Denmark, Greece, Netherlands, Sweden

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