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Astrid Chevreuil

Visiting Fellow, Center for Strategic and International Studies

Twitter: @AstridChevreuil

Astrid Chevreuil is a visiting fellow in the Europe, Russia, and Eurasia Program at the Center for Strategic and International Studies (CSIS) in Washington, DC. Chevreuil is a career diplomat with the French Foreign Service, having most recently served in the Nuclear Non-Proliferation and Disarmament Department at the French Ministry for Europe and Foreign Affairs. She is a graduate of Sciences Po Paris and the Ecole Nationale d’Administration, and has also studied at the University of California, Los Angeles.

Content by Astrid Chevreuil

Commentary

Île-Longue revisited: Charting a Franco-German nuclear future

French President Emmanuel Macron’s recent speech at the Île-Longue submarine base introduced a long-awaited framework for reconfiguring European deterrence amid an increasingly dangerous and uncertain security landscape. Julia Berghofer and Astrid Chevreuil examine how France’s “forward deterrence” doctrine reshapes Franco-German cooperation, NATO dynamics, and Europe’s nuclear future while addressing emerging disarmament tensions.

31 March 2026 | Julia Berghofer and Astrid Chevreuil