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: Julia/Adobe Stock. Image was generated with AI.

Photo: Julia/Adobe Stock. Image was generated with AI.

Help Wanted: AI Needs Domain Experts

AI algorithms, while remarkable, are vulnerable to errors of various sorts. These errors can best be identified, measured, and mitigated through the structured interaction of technical AI experts and subject matter experts.

Commentary by Carol Kuntz — November 12, 2025

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Seth G. Jones

Seth G. Jones

President, Defense and Security Department; Harold Brown Chair
Emily Harding

Emily Harding

Vice President, Defense and Security Department; Director, Intelligence, National Security, and Technology Program
Daniel Byman

Daniel Byman

Director, Warfare, Irregular Threats, and Terrorism Program
Tom Karako

Tom Karako

Director, Missile Defense Project and Senior Fellow, Defense and Security Department
Jerry McGinn

Jerry McGinn

Director, Center for the Industrial Base and Senior Fellow, Defense and Security Department
Kari Bingen

Kari A. Bingen

Director, Aerospace Security Project and Senior Fellow, Defense and Security Department
Clayton Swope

Clayton Swope

Deputy Director, Aerospace Security Project and Senior Fellow, Defense and Security Department
Lauryn Williams

Lauryn Williams

Deputy Director and Senior Fellow, Strategic Technologies Program
Bonny Lin

Bonny Lin

Director, China Power Project and Senior Adviser
Max Bergmann

Max Bergmann

Director, Europe, Russia, and Eurasia Program and Stuart Center
Matt Pearl

Matt Pearl

Director, Strategic Technologies Program
Benjamin Jensen

Benjamin Jensen

Director, Futures Lab and Senior Fellow, Defense and Security Department
Oge Onubogu

Oge Onubogu

Director and Senior Fellow, Africa Program
Yasir Atalan

Yasir Atalan

Data Fellow, Futures Lab, Defense and Security Department
Brian Hart

Brian Hart

Deputy Director and Fellow, China Power Project
Andy Lim

Andy Lim

Deputy Director and Fellow, Korea Chair
Joseph Rodgers

Joseph Rodgers

Deputy Director and Fellow, Project on Nuclear Issues
Joel Coito

Joel Coito

Military Fellow, Defense and Security Department

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After Ishiba: What’s Next for Japanese Politics?

The CSIS Japan Chair analyzes the results of the ruling Liberal Democratic Party (LDP)’s October 4 leadership race, the road ahead in Japanese politics, and the potential implications for Japanese foreign policy.

Event — October 6, 2025

Why Trump’s Executive Order on Qatar Marks a Historic Shift

On September 29, President Trump signed an executive order that provides Qatar with an explicit security guarantee in the event of “external attack.” Mona Yacoubian analyzes its timing, significance, and situates it in a broader context.

Critical Questions by Mona Yacoubian — October 2, 2025

Takeaways from Secretary Hegseth’s Quantico Meeting

The meeting of generals and admirals at Quantico brought no purges or oath changes but augured big changes. Hegseth’s theatrical performance demanded fitness and a warfighting focus. Trump's campaign-style speech hinted at combat in U.S. cities. Was he serious?

Commentary by Mark F. Cancian — October 2, 2025

Kim Jong-un’s Flurry of Diplomacy

In early September, Kim Jong-un took the rare but not entirely surprising step of traveling to Beijing to participate in the September celebration of the “80th anniversary of the victory of the Chinese People's War of Resistance against Japanese Aggression and the World Anti-Fascist War,” as China calls it.

Newsletter by Sydney Seiler — October 2, 2025

What a Government Shutdown Would Mean for Defense Funding in FY 2026

With Congress failing to pass a continuing resolution to start FY 2026, the Department of Defense faces a shutdown until legislators take action to fund the federal government. Seamus Daniels explains the implications for the Department of Defense.

Critical Questions by Seamus P. Daniels — September 30, 2025

The Future of the ROK-U.S. Alliance: Adapting to a Changing World

For more than seven decades, the ROK–U.S. alliance has stood as an ironclad partnership, shaping not only the security of the Korean Peninsula but also the broader trajectory of the Republic of Korea (ROK)’s national development. Today, however, the question of how to modernize this alliance has come to the forefront.

Newsletter by Kyeongdoo Jeong — September 30, 2025

The Impossible State

Trump and the Autocratic Axis

Dr. Victor Cha, Dr. Patricia Kim, and Dr. Thomas Wright discussed the growing cooperation among the autocratic countries of China, Russia, and North Korea as they push back against U.S. influence and the U.S.-led international order; the strategies the United States might leverage to counter this bloc; the implications for U.S. policy and its allies; and more.

Podcast Episode by Victor Cha — September 29, 2025

The Impossible State Podcast