Iran

Iran and its proxies are a key regional player in the Middle East. The country represents a major adversary to U.S. foreign policy interests through conflicts with Israel, support of Russia’s war in Ukraine, its burgeoning nuclear program, and its influence over global oil flows. CSIS scholars provide essential analysis on Iranian military and energy capabilities and how Tehran thinks about its place in the regional and global order.

Photo: U.S. Army photo by Capt. Frank Spatt/DVIDS

Photo: U.S. Army photo by Capt. Frank Spatt/DVIDS

Six Reasons Why the United States Is Low on Munitions

The Iran war has exacerbated the Pentagon’s shortage of key munitions, but it is not the only cause. There are also longstanding strategic, operational, and institutional reasons.

Commentary by Mark F. Cancian and Chris H. Park — July 31, 2026

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Seth G. Jones

Seth G. Jones

President, Defense and Security Department; Harold Brown Chair
Will Todman

Will Todman

Chief of Staff, Geopolitics and Foreign Policy Department; and Senior Fellow, Middle East Program
Williams

Heather Williams

Director, Project on Nuclear Issues and Senior Fellow, Defense and Security Department
Daniel Byman

Daniel Byman

Director, Warfare, Irregular Threats, and Terrorism Program
Emily Harding

Emily Harding

Vice President, Defense and Security Department; Director, Intelligence, National Security, and Technology Program
Joseph Rodgers

Joseph Rodgers

Deputy Director and Fellow, Project on Nuclear Issues

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Who's Paying for the Iran War? | The High Top

Who is paying the price for the U.S.-Iran war? Jon Alterman and Joseph Majkut examine the global energy crisis, rising costs in Asia, China’s role in stabilizing oil markets, and what the war means for Gulf security and U.S. influence.

Event — August 25, 2026

Cache Me If You Can

The Cyber Threat to U.S. Water Infrastructure

Lauryn Williams, Nikita Shah, and Caitlin Welsh join Will Todman on the State of Play podcast to discuss why U.S. critical infrastructure remains vulnerable, how to respond, and whether there is enough evidence to attribute the attacks to Iran.

Podcast Episode by Lauryn Williams, Will Todman, Caitlin Welsh, and Nikita Shah — August 17, 2026

Photo: CSIS

Navigating the Strait of Hormuz Energy Crisis

The CSIS Energy Security and Climate Change Program is pleased to host Jérôme Bilodeau, for a discussion on the global energy implications of the Strait of Hormuz crisis and how governments have responded to disruptions in energy markets.

Event — August 4, 2026

Six Reasons Why the United States Is Low on Munitions

The Iran war has exacerbated the Pentagon’s shortage of key munitions, but it is not the only cause. There are also longstanding strategic, operational, and institutional reasons.

Commentary by Mark F. Cancian and Chris H. Park — July 31, 2026

The U.S.-Iran War and Its Economic Fallout | The High Top

Phil Luck joins Jon Alterman to unpack the economic story of the post-Iran-war order: China's real headwinds, why the Global South is hedging harder than ever, and what the policy community still misunderstands about economic statecraft.

Event — July 20, 2026

Is the Iran War Entering a Dangerous New Phase?

Escalating U.S.-Iran strikes are widening the conflict beyond the Strait of Hormuz, threatening Gulf infrastructure, regional stability, and global energy security. Yet behind the fighting, mediators are searching for an off-ramp before the crisis spirals further.

Commentary by Mona Yacoubian — July 20, 2026