Nuclear Issues

CSIS’s Project on Nuclear Issues analyze nuclear policy issues including deterrence, escalation, and arms control, and is the leading network of nuclear policy professionals.

Photo: Sean Gallup/Getty Images

Photo: Sean Gallup/Getty Images

Can France and the United Kingdom Replace the U.S. Nuclear Umbrella?

As doubts grow over U.S. nuclear commitments, Germany’s new chancellor has sparked debate on whether France and the United Kingdom could provide a European nuclear umbrella. But with strategic and doctrinal hurdles ahead, is Europe ready to reshape its nuclear deterrence?

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Critical Questions by Astrid Chevreuil and Doreen Horschig — March 4, 2025

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Photo: David Madison/Getty Images

Photo: David Madison/Getty Images

PONI 2024 Fall Conference

September 27, 2024 • 9:00 am – 4:15 pm EDT
Hosted by Project on Nuclear Issues
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Experts

Williams

Heather Williams

Director, Project on Nuclear Issues and Senior Fellow, Defense and Security Department
Victor Cha

Victor Cha

President, Geopolitics and Foreign Policy Department and Korea Chair
Joseph Rodgers

Joseph Rodgers

Deputy Director and Fellow, Project on Nuclear Issues

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Europe's Nuclear Future

Please join the CSIS Defense and Security Department for a conversation on the future of European rearmament, nuclear deterrence, and transatlantic relations.

Event — March 11, 2025

Can France and the United Kingdom Replace the U.S. Nuclear Umbrella?

As doubts grow over U.S. nuclear commitments, Germany’s new chancellor has sparked debate on whether France and the United Kingdom could provide a European nuclear umbrella. But with strategic and doctrinal hurdles ahead, is Europe ready to reshape its nuclear deterrence?

Critical Questions by Astrid Chevreuil and Doreen Horschig — March 4, 2025

Fueling the Future: Recommendations for Strengthening U.S. Uranium Security

While the United States led global uranium production from 1953 to the 1980s, this dominance has declined over time. Currently, dependence on foreign adversaries for uranium poses a significant risk to U.S. nuclear supply chains, impacting both energy and defense.

Brief by Gracelin Baskaran and Meredith Schwartz — February 5, 2025

PONI Live Debate: AI Integration in NC3

Join PONI on January 24, 2025, for a live debate between ASP senior associate Sarah Mineiro and CNAS executive vice president and director of studies Paul Scharre on AI integration in NC3. 

Event — January 24, 2025

PONI Live Debate: AI Integration in NC3

The CSIS Project on Nuclear Issues hosted a live debate between ASP senior associate Sarah Mineiro and CNAS executive vice president and director of studies Paul Scharre on AI integration in NC3.

Transcript — January 24, 2025

On the Horizon Vol. 7

The 2024 PONI Nuclear Scholars explore shifts in states’ nuclear arsenals and strategies, the effects of the Ukraine war on nuclear dynamics, and the transformative power of emerging tech on nuclear decisionmaking, offering fresh insights and innovative solutions.

Report by Doreen Horschig — December 19, 2024