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: Paulius Peleckis/Getty Images
U.S. and Allied Burden Sharing: A Progress Report
Report by Jerry McGinn and Celia Barrie — September 8, 2026
The European Front in Commercial Data Exploitation
Commentary by Justin Sherman — September 8, 2026
What SBA’s New Size Standards Could Mean for Small Businesses
Critical Questions by Jerry McGinn and Oliver Buntin — September 8, 2026
The Archipelago and the Umbrella: Harmonizing French and NATO Nuclear Deterrence
Commentary by Astrid Chevreuil and Jim Stokes — September 1, 2026
Past Events
Photo: Paulius Peleckis/Getty Images
U.S. and Allied Burden Sharing: A Progress Report
Photo: SAUL LOEB/AFP via Getty Images
Trump-Kim Summit 2.0: What to Look Out for? | The Capital Cable #141
Photo: CSIS
Strengthening Australia's Weapons Sustainment Ecosystem
Photo: CSIS
How Quickly Can the DOD Rebuild and Recast the Munitions Industrial Base?
Photo: Dong-A Ilbo via Getty Images/Getty Images
Emergency Episode: What's Happening with Korea? Military exercises, Kim Jong-un and Iran
Photo: Sgt. Nathan Arellano Tlaczani/DVIDS
Future of U.S. Land Power: Perspectives from Under Secretary of the U.S. Army Hon. Mike Obadal
Photo: CSIS
Munitions Shortages After Epic Fury
Photo: CSIS
Lebanon's Strategic Outlook: Diplomacy, Governance, and Economic Recovery
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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What Did Trump and Xi Agree to at the White House? | State of Play
Event — September 25, 2026
Ensuring Economic and Energy Security: Opportunities for U.S.-Japan Leadership
Event — September 24, 2026
The Future of U.S.–Africa Minerals Diplomacy
Event — September 18, 2026
Defending the Homeland with General Lori Robinson, USAF (Ret.)
Event — September 17, 2026
AUKUS at Five: Progress, Challenges, and the Way Forward
Event — September 17, 2026
Bend but Do Not Break: Shaping the Future of the All-Volunteer Force
Event — September 9, 2026
Space Launch Capacity and Contenders | HTK
Event — September 9, 2026
U.S. and Allied Burden Sharing: A Progress Report
Event — September 8, 2026
The European Front in Commercial Data Exploitation
Commentary by Justin Sherman — September 8, 2026
U.S. and Allied Burden Sharing: A Progress Report
Report by Jerry McGinn and Celia Barrie — September 8, 2026