Defense and Security
Amid a rapid shift in the global balance of power, CSIS offers practical solutions to the hardest national security strategy questions. CSIS’s defense and security research covers issues including traditional missile defense, nuclear weapons, aerospace security, irregular threats, democratic institutions, and the use of AI and critical minerals in defense technologies.
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The United States and Iran Announce a Deal to End the War | State of Play
Commentary by Will Todman and Mona Yacoubian — June 15, 2026
Trump's Iran Deal: What Comes Next? | State of Play
Transcript — June 15, 2026
Solid Rocket Motors for Missile Defense: Challenges and Opportunities for Expanding the Industrial Base
Report by Wes Rumbaugh and Tom Karako — June 12, 2026
The 2026 World Cup: Sports and Conflict
Commentary by Victor Cha and Andy Lim — June 10, 2026
Past Events
Photo: Pedro PARDO / AFP via Getty Images
What Xi Got in Pyongyang | The Capital Cable #136
Photo: Hwawon Ceci Lee/Anadolu/Getty Images
Trump's Iran Deal: What Comes Next? | State of Play
Photo: Abraham Gonzalez Fernandez/Getty Images
Innovation to Deployment: Fixing the Pentagon’s Acquisition Gap
Photo: CSIS
Report Rollout: Solid Rocket Motors for Missile Defense
Photo: CSIS
How Should the United States Counter the CRINK Axis?
Photo: CSIS
What Xi Wants in Pyongyang: The Capital Cable #135
Photo: CSIS
Assessing the State of the U.S. Space Industrial Base
Photo: CSIS
The Impossible State Live Podcast: The CRINK Challenge: Implications for North Korea and Global Security
Related Programs
Defense and Security
Aerospace Security Project
Arleigh A. Burke Chair in Strategy
Center for the Industrial Base
Civil-Military Relations
Cooperative Defense Project
Defending Democratic Institutions
Defense Budget Analysis
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
All Defense and Security Content
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Sixteenth Annual South China Sea Conference
Event — July 7, 2026
The Future of AI-Driven Cyber Defense
Event — July 1, 2026
2026 Global Security Forum, America at 250: A Defining Moment for American Statecraft and Military Power
Event — June 30, 2026
From Insight to Policy: Partnering with African Expertise to Inform U.S.–Africa Policy and Engagement
Event — June 23, 2026
Nuclear Armed Hypersonic Missiles | HTK
Event — June 18, 2026
The Future of Extended Deterrence: Will Japan and Korea Go Nuclear?
Event — June 18, 2026
Modernizing to Meet the Future Threat: A Conversation with Lieutenant General Eric Austin, USMC
Event — June 18, 2026
Was the G7 Summit in France a Success? | State of Play
Event — June 17, 2026
REPORT LAUNCH: Friendly Proliferation: A Virtual Report Discussion with Astrid Chevreuil
Event — June 17, 2026
Border Security and Defense Cooperation in North America: Addressing Emerging Challenges
Event — June 17, 2026