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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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Who Is Winning the Iran War?

The United States and Israel are devastating Iran's leadership and inflicting significant damage on Iran's already-weak military. Iran, however, is hitting back, and the biggest long-term costs to the United States are likely to be felt outside the Middle East.

Commentary by Daniel Byman — April 2, 2026

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Senior Fellow, Intelligence, National Security, and Technology Program

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Who Is Winning the Iran War?

The United States and Israel are devastating Iran's leadership and inflicting significant damage on Iran's already-weak military. Iran, however, is hitting back, and the biggest long-term costs to the United States are likely to be felt outside the Middle East.

Commentary by Daniel Byman — April 2, 2026

Cracking the Code on the Lunar Economy

To build a sustainable lunar economy, the United States must move beyond government-led models and adopt a commercially driven approach, treating the Moon as a real estate project anchored by public-private partnerships and an international Lunar Development Authority.

Commentary by Charles Miller — March 31, 2026