International Security Program

The CSIS International Security Program (ISP) is a constant source of reliable analysis on the international security and defense landscape, particularly with growing competition between the United States and such countries as China, Russia, Iran, and North Korea

About Us

Learn more about the CSIS International Security Program, our goals, and our primary areas of research.

ISP About Us

Meet Our Experts

Meet our network of experts, staff, and non-resident affiliates who contribute to our analysis.

Seth G. Jones

Explore our Research

The CSIS International Security Program leads a rigorous analytic agenda covering the most pressing challenges facing the U.S. globally. Our research projects range from multi-year reports to short commentaries and opinion pieces on breaking news. Explore our various research projects here.

Photo: Alex Wong/Getty Images

Photo: Alex Wong/Getty Images

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Insights for Future Conflicts from the Russia-Ukraine War

The Russia-Ukraine conflict shocked the world, unfolding a story of adaptation, resilience, and innovation with global implications. Drawing from analysis and news coverage, this report distills 10 insights that will shape the next war.  

Digital Report by Krista Auchenbach, Nathan Lewis, Scott Murphy, Quinton Packard, Scott Pence, Luke Slivinski, and Matthew Slusher — May 8, 2025

See all analysis by the International Security Program

Global Security Forum 2024

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Gathering Strength in a Gathering Storm

Join the CSIS International Security Program for its annual Global Security Forum on April 24, 2024, featuring keynote discussions with General Charles Q. Brown, Jr., Chairman of the Joint Chiefs of Staff, and the Honorable Avril Haines, Director of National Intelligence.

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All International Security Program Content

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Report Launch: Is NATO Ready for War?

Join the CSIS Europe, Russia, and Eurasia program and the Defense-Industrial Initiatives Group for the report launch of “Is NATO Ready for War? An Assessment of NATO Allies’ Efforts to Strengthen Defense and Deterrence since the Madrid Summit.”  

Event — June 11, 2024

Is NATO Ready for War?

Allied leaders will soon gather in Washington for NATO’s 75th anniversary summit. Ahead of that historic meeting, this paper takes stock of the progress allies have made to strengthen their deterrence and defense since Russia’s full-scale invasion of Ukraine.

Report by Sean Monaghan, Eskil Jakobsen, Sissy Martinez, Mathieu Droin, Gregory Sanders, Nicholas Velazquez, Cynthia R. Cook, Anna Dowd, and Maeve Sockwell — June 11, 2024

F-16s Unleashed: How They Will Impact Ukraine’s War

Unpack the strategic impact of deploying F-16 fighter jets to Ukraine. This analysis by CSIS experts outlines the tactical benefits, challenges, and recommendations crucial for enhancing Ukraine’s defense capabilities within the NATO framework.

Brief by Christopher Koeltzow, Brent Peterson, and Eric Williams — June 11, 2024

Algorithmic Stability: How AI Could Shape the Future of Deterrence

Artificial intelligence and machine learning are reshaping national security and crisis management. This report delves into the future of deterrence and the role of human judgment in an AI-focused crisis simulation.

Report by Benjamin Jensen, Yasir Atalan, and Jose M. Macias III — June 10, 2024

MDA and the 2025 Budget

The CSIS Missile Defense Project will host an event featuring Lt. Gen. Heath Collins, Director, Missile Defense Agency. The discussion will explore the Agency's FY2025 programs, priorities, and budgets.

Event — June 6, 2024

MDA and the 2025 Budget

The CSIS Missile Defense Project hosted Lt. Gen. Heath Collins, Director, Missile Defense Agency, to discuss the Agency's FY2025 programs, priorities, and budgets.

Transcript — June 6, 2024

Left to Shoulder the Worries of AI

This analysis delves into the intersection of technology and gender, emphasizing the urgent necessity for legislative action to protect women from digital exploitation. The piece calls for comprehensive measures to address these emerging threats in the digital age.

Commentary by Jose M. Macias III, Audrey Aldisert, and Benjamin Jensen — June 3, 2024