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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Past Events

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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The Uncertain Future of U.S.-Russia Arms Control

Time is running out for the United States and Russia to revive cooperation on arms control before the expiration of New START in 2026. Despite efforts from the Biden administration to kickstart progress, Russia remains an unwilling partner for the foreseeable future.

Critical Questions by Nicholas Adamopoulos — February 14, 2024

Information Pollution and What It Means for Arms Control

Over the past decade, Russia has stepped up its disinformation campaigns to erode trust in arms control. Russian disinformation campaigns have served as a low-cost tactic for Moscow to spread confusion and distrust in the United States and other Western democracies. 

Report by Joseph Rodgers — January 25, 2024

Deter and Divide: Russia's Nuclear Rhetoric & Escalation Risks in Ukraine

Russia’s nuclear threats have underpinned each stage of the war in Ukraine as Putin attempts to deter and divide NATO support. However, if Russia faces battlefield setbacks, its nuclear threats could intensify, testing NATO's resolve.

Digital Report by Heather Williams, Kelsey Hartigan, Lachlan MacKenzie, and Reja Younis — December 4, 2023

Project Atom Report Launch

Please join the Project on Nuclear Issues (PONI) to discuss the findings of PONI's forthcoming Project Atom report. The Project Atom report consists of five competing strategies for deterring two peer adversaries written by six senior experts with diverse perspectives.

Event — November 7, 2023

Korea Global Forum 2023

The International Security Program (ISP) will co-host a conference with the Korea University Peace and Democracy Institute (PDI) on November 6th at CSIS, discussing current issues influencing the United States’ nuclear policy towards North Korea.

Event — November 6, 2023

How to Get Away with a Nuclear Test

Talk of nuclear testing and threats of escalation are part of an ongoing Russian effort to manipulate nuclear risks and deter Western intervention in Ukraine. Whether or not Russia resumes testing will depend on Putin’s expected response from the international community.

Critical Questions by Heather Williams — October 5, 2023

Conventional-Nuclear Integration to Strengthen Deterrence

The evolving geopolitical landscape demands strategies for disincentivizing adversarial nuclear use to advance regional goals. In response, the United States and its allies are considering strategies to integrate conventional and nuclear forces and bolster deterrence.

Commentary by Doreen Horschig and Nicholas Adamopoulos — October 4, 2023