Defense and Security
CSIS’s defense and security research is led by the Missile Defense Project; Project on Nuclear Issues; Defense-Industrial Initiatives Group; Aerospace Security Project; Warfare, Irregular Threats, and Terrorism Program; Burke Chair in Strategy; Smart Women, Smart Power; Defending Democratic Institutions Project; and Defense Budget Analysis.

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Trump Sends Weapons to Ukraine: By the Numbers
Critical Questions by Mark F. Cancian and Chris H. Park — July 15, 2025

How the United States Can Overcome Icebreaker Construction Woes and Grow the Maritime Industrial Base
Report by Luke Slivinski — July 15, 2025

High-Altitude Nuclear Explosions: Myths and Reality
Brief by Scott Pence and Adam F. Reynolds — July 14, 2025

Out-Adapting the Enemy: Why Mass Alone Won’t Win Tomorrow’s Wars
Commentary by Benjamin Jensen — July 11, 2025
Past Events

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Fortifying Deterrence through Logistics: A Conversation with DASD Patrick Kelleher and Maj. Gen. David Sanford

Photo: Betty Laura Zapata/Bloomberg via Getty Images
China’s New London “Super Embassy”: Soft Power Hub or Security Risk?

Photo: CSIS
Denmark’s Role in European and Transatlantic Security

Photo: CSIS

The Impossible State Live Podcast: Special Conversation with Senator Andy Kim

Photo: CSIS
Iran-North Korea Cooperation | The Capital Cable #116

Photo: CSIS
U.S. Bombs Iran: What Comes Next?

Photo: CSIS
Strategic Landpower Dialogue: A Conversation with General Ronald Clark
Related Programs

Defense and Security

Aerospace Security Project

Arleigh A. Burke Chair in Strategy

Civil-Military Relations

Cooperative Defense Project

Defending Democratic Institutions

Defense Budget Analysis

Defense-Industrial Initiatives Group

Defense 360

Gray Zone Project

Hidden Reach

Missile Defense Project

Project on Nuclear Issues

Risk and Foresight Group

Smart Women, Smart Power

Strategic Futures

Warfare, Irregular Threats, and Terrorism Program
Experts






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“Russia’s Battlefield Woes in Ukraine”: Audio Brief with Seth Jones and Riley McCabe
Podcast Episode by Seth G. Jones and Riley McCabe — June 3, 2025

The Ukrainian Economy Today with Elina Ribakova
Podcast Episode by Max Bergmann and Maria Snegovaya — June 3, 2025

What is the End Point of U.S.-China Competition?
Podcast Episode by H. Andrew Schwartz and Thomas J. Christensen — June 3, 2025

How Ukraine’s Operation “Spider’s Web” Redefines Asymmetric Warfare
Critical Questions by Kateryna Bondar — June 2, 2025
The Ties that Bind: Including Cabo Delgado in Political Dialogue
Commentary by Emilia Columbo — May 30, 2025
What Happened to North Korea's Warship?
Event — May 29, 2025
Russia’s Battlefield Woes
Podcast Episode by H. Andrew Schwartz and Seth G. Jones — May 29, 2025

The Role of Social Media in Cartel Recruitment
Commentary by Rubi Bledsoe — May 28, 2025
What’s Normal—and What’s Not—About ODNI’s Request to Revise the NIC's Intelligence Assessment
Critical Questions by Emily Harding — May 23, 2025
Maximizing Impact Through Coordinated Security and Counterdrug Cooperation in Ecuador
Commentary by Margarita R. Seminario — May 20, 2025