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Defense & Security

Our experts analyze the evolving landscape of defense and security, with a focus on modern technologies and geopolitical dynamics. From strategic arms control to global stability, nuclear nonproliferation, and the impact of emerging domains like outer space and cyberspace, we provide in-depth research and policy recommendations to promote a safer world.

U.S. Chairman of the Joint Chiefs of Staff, U.S. Air Force General Dan Caine descends a staircase, on the day of a closed briefing on the situation in Iran for members of the U.S. Senate, on Capitol Hill in Washington, D.C., U.S., June 26, 2025.

Intelligence Community What damage did the US do to Iran’s nuclear program? Why it’s so hard to know

Joshua Rovner

July 2, 2025

People gather at the Hands Off Iran rally at the State Library of Victoria in Melbourne, Sunday, June 22, 2025.

Iran The global implications of the US strikes on Iran

Pavel K. Baev, Robert Einhorn, Sharan Grewal, Samantha Gross, Ryan Hass, Patricia M. Kim, Elizabeth N. Saunders, Yun Sun, Caitlin Talmadge, Shibley Telhami, Andrew Yeo

July 1, 2025

U.S. Defense Secretary Pete Hegseth holds a multilateral meeting with ASEAN defence leaders on sidelines of the IISS Shangri-La Dialogue security summit, in Singapore, May 30, 2025.

Security Alliances & Partnerships Possible conflict in the Taiwan Strait: Southeast Asia can help US maintain focus

Ryan Hass

July 1, 2025

The national flags of China and Iran fly in Tiananmen Square, China, February 14, 2023.

Geopolitics How China sees Iran’s future

Yun Sun

June 29, 2025

Experts

Sharan Grewal Nonresident Senior Fellow - Foreign Policy, Center for Middle East Policy

Daniel S. Hamilton Nonresident Senior Fellow - Foreign Policy, Center on the United States and Europe

Pavel K. Baev Nonresident Senior Fellow - Foreign Policy, Center on the United States and Europe

Portrait of Madiha Afzal, Assistant Professor, School of Public Policy.

Madiha Afzal Nonresident Fellow - Foreign Policy, Center for Middle East Policy, Strobe Talbott Center for Security, Strategy, and Technology, Center for Asia Policy Studies

Lori Robinson Nonresident Senior Fellow - Foreign Policy, Strobe Talbott Center for Security, Strategy, and Technology

Jaclyn A. Kerr Nonresident Fellow - Foreign Policy, Strobe Talbott Center for Security, Strategy, and Technology,

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