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.
Photo: GAVRIIL GRIGOROV/POOL/AFP via Getty Images
Time to Confront Escalating Russia-Iran Intelligence Cooperation
Commentary by Justin Sherman — September 30, 2026
The Terrorism Threat to the 2026 Midterm Elections: What the Data Tells Us
Brief by Daniel Byman and Riley McCabe — September 29, 2026
The Melting Arctic Lifeline for Russia’s Shadow Fleet
Commentary by Tobias Oestreich, Jose M. Macias III, and Benjamin Jensen — September 23, 2026
Kim’s Second Byungjin: 21 Years After the Six-Party Talks Agreement
Commentary by Sydney Seiler — September 23, 2026
Past Events
Photo: Anelo/Adobe Stock
From Shahed to Geran: How Russia Continues to Reinvent the One-Way Attack Drone
Photo: Ali Saeedi/Getty Images
Middle East Futures: U.S. Policy in an Emerging Regional Order
Photo: CSIS
What Did Trump and Xi Agree to at the White House? | State of Play
Photo: CSIS
Ensuring Australian Resilience: Effective Weapon System Sustainment in an Era of Contested Logistics
The Impossible State Live Podcast: Lips and Teeth? China, North Korea, and the Korean Peninsula
Photo: CSIS
Ensuring Economic and Energy Security: Opportunities for U.S.-Japan Leadership
Photo: CSIS
Inside Army Innovation: Conversations at the Army Demand Signal Forum | All About the Base
Photo: royyimzy/Adobe Stock
The Future of U.S.–Africa Minerals Diplomacy
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
Filter by
The Strategist: How to Think About War and Politics
Event — January 11, 2027
Taking Command: The U.S.-Korea OPCON Debate | The Capital Cable #143
Event — October 5, 2026
Japan as a Maritime Great Power and the China Challenge
Event — October 1, 2026
Time to Confront Escalating Russia-Iran Intelligence Cooperation
Commentary by Justin Sherman — September 30, 2026
“The Terrorism Threat to the 2026 Midterm Elections: What the Data Tells Us”: Audio Brief with Riley McCabe
Podcast Episode by Riley McCabe — September 29, 2026
From Shahed to Geran: How Russia Continues to Reinvent the One-Way Attack Drone
Event — September 29, 2026
The Terrorism Threat to the 2026 Midterm Elections: What the Data Tells Us
Brief by Daniel Byman and Riley McCabe — September 29, 2026
Middle East Futures: U.S. Policy in an Emerging Regional Order
Event — September 28, 2026
What Did Trump and Xi Agree to at the White House? | State of Play
Event — September 25, 2026
Lips and Teeth? China, North Korea, and the Korean Peninsula
Podcast Episode by Victor Cha, Bonny Lin, and Sydney Seiler — September 25, 2026