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 Killing of Abu-Bilal al-Minuki and the U.S. Military’s Deepening Involvement in Nigeria
Critical Questions by Alexander Palmer — May 18, 2026
What did the Trump-Xi Summit Achieve?
Transcript — May 15, 2026
The Impact of Tariffs on the AI Data Center Buildout: Balancing Supply Chain Security and AI Infrastructure Leadership
Brief by Evan Brown, Michael Gary, Kate Koren, and Philip Luck — May 14, 2026
A U.S. Campaign to Exploit Beijing’s Weaknesses
Brief by Nicholas Harrington — May 13, 2026
Past Events
Photo: Spc. Christian Carrillo/U.S. Army
From Concept to Contract: Conversations at the Army Demand Signal Forum | All About the Base
Photo: CSIS
What did the Trump-Xi Summit Achieve? | State of Play
Photo: CSIS
Reassessing the Strategic Value of China to Korea
Photo: CSIS
Economic Impacts of Iran War: The Capital Cable #134
Photo: CSIS
Strategic Trends 2026: Navigating a Fragmenting Global Order
Photo: CSIS
What’s Next for Japanese Security Policy and U.S.-Japan Relations? Perspectives from the Diet
Photo: CSIS
Strengthening Surge Capacity: Findings from a Table-Top Exercise Focused on Protracted Conflict | All About the Base
Photo: CSIS
U.S. Missile Inventory Check: A Window of Vulnerability?
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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Border Security and Defense Cooperation in North America: Addressing Emerging Challenges
Event — June 17, 2026
Security and the Pacific Islands: Insight from Young Pacific Leaders Report Launch
Event — May 26, 2026
The Impossible State Live Podcast: Cold Peace: Engaging DPRK to Reduce Risk and Threat
Event — May 19, 2026
From Concept to Contract: Conversations at the Army Demand Signal Forum | All About the Base
Event — May 18, 2026
The Killing of Abu-Bilal al-Minuki and the U.S. Military’s Deepening Involvement in Nigeria
Critical Questions by Alexander Palmer — May 18, 2026
What did the Trump-Xi Summit Achieve? | State of Play
Event — May 15, 2026
What did the Trump-Xi Summit Achieve?
Transcript — May 15, 2026
The Impact of Tariffs on the AI Data Center Buildout: Balancing Supply Chain Security and AI Infrastructure Leadership
Brief by Evan Brown, Michael Gary, Kate Koren, and Philip Luck — May 14, 2026
Reassessing the Strategic Value of China to Korea
Event — May 13, 2026
China’s Win? The Missile Gap After Epic Fury
Podcast Episode by Seth G. Jones and Mark F. Cancian — May 13, 2026