Project on Nuclear Issues

Founded in 2003, PONI is the premier networked community of next generation professionals prepared to meet the nuclear challenges of the future

PONI programs provide inclusive, diverse, and creative opportunities for emerging experts to learn about nuclear issues and engage thoughtfully with the nuclear community. PONI also conducts cutting-edge research and analysis on three main topic areas: deterrence and escalation, risk reduction and arms control, and disarmament.

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Next Generation Nuclear Network

CSIS launched the Project on Nuclear Issues in 2003 to develop the next generation of policy, technical and operational nuclear professionals through outreach, mentorship, research and debate.

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Integrated Arms Control in an Era of Strategic Competition

January 25, 2022 | Rebecca Hersman, Suzanne Claeys and Heather Williams

This study examines the implication and prospects for the future of arms control in a highly competitive security environment in which challenges from advanced technologies and diminished state control over processes of verification become increasingly prominent features, even as the scope and modalities of arms control grow more complex and multifaceted.

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Featured Event

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2023 Winter Conference

Please join the Project on Nuclear Issues for our February 2023 Winter Conference, hosted in Honolulu.

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Featured Project: Deterrence 101

Deterrence 101 is a collection of three thirty-minute long videos that explore core deterrence theory. Each video describes basic deterrence concepts, roots these ideas in a historical timeline, and features interviews with leading nuclear policy experts.

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PONI 2022 Fall Conference

The CSIS Project on Nuclear Issues hosted 2022 Fall Conference, featuring a keynote address as well as presentations from emerging nuclear experts covering topics such as nuclear policy and strategies, arms control and proliferation challenges, technology and capabilities, and deterrence.

Event — October 25, 2022

Photo: Alexis Rosenfeld/Getty Images

Deterring Nuclear Weapons Use in Ukraine

President Vladimir Putin has increasingly relied on nuclear threats in an attempt to prevent foreign intervention and signal to the United States and NATO that he is committed to winning the war in Ukraine.

Critical Questions by Heather Williams — October 14, 2022

Photo: NATALIA KOLESNIKOVA/AFP/Getty Images

How Does the Worsening Security Environment Impact Nuclear Disarmament?

On August 26, 2022, the Treaty on the Non-Proliferation of Nuclear Weapons Review Conference ended without a consensus due to the security environment. However, this narrative ignores growing friction between nuclear weapon and nonnuclear weapon states.

Critical Questions by Suzanne Claeys and Alice Spilman — September 13, 2022

Photo: ANGELA WEISS/AFP via Getty Images

The Nuclear Posture in Review

Please join the CSIS Project on Nuclear Issues (PONI) for a conversation about the future of deterrence, arms control, and the creation of U.S. nuclear strategy.

Event by Heather Williams , Kelsey Hartigan , and Kathleen McInnis — July 29, 2022

Photo: Public Domain

The Future of Arms Control, Strategic Stability, and the Global Order

CSIS hosts UK national security adviser, Sir Stephen Lovegrove, as he advocates for a new set of principles for the future of arms control and resetting strategic stability for the new international order.

Event by John J. Hamre , Seth G. Jones , and Sir Stephen Lovegrove — July 27, 2022

Photo: Jack Taylor/Getty Images

Integrated Arms Control in an Era of Strategic Competition

Arms control remains an essential partner of deterrence and strategic stability. The competitive security environment, rise of disruptive technologies, and limited resources call for recoupling arms control with deterrence to address integrated, cross-domain threats today.

Report by Heather Williams , Suzanne Claeys , and Rebecca Hersman — January 21, 2022

Photo: Peter Jurik/Adobe Stock