Our Publications
Weapon Program Background Report
May 9, 2024
A running timeline of important events in Iran's nuclear program from 1967 to the present day, including the country's secret effort to build nuclear weapons in the early 2000s.
Newsletters
April 30, 2024
This month’s newsletter features analyses of Iran’s January missile attacks on Syria, Iraq, and Pakistan and its larger attack on Israel this month. The January strikes contain important hints about the strengths and limitations of Iran’s missile capabilities, which played out during the April 13 attack and the successful air defense operation to...
Articles and Reports
April 29, 2024
The January strikes added to the body of evidence attesting that, even as Iranian missiles can hit soft, stationary targets with relative precision, Iran’s ability to destroy well-defended, hardened targets remains a work in progress.
Articles and Reports
April 15, 2024
On Saturday, April 13, Iran launched a large, coordinated attack on Israel, reportedly firing more than 170 drones, 30 cruise missiles, and 120 ballistic missiles over the span of several hours.
Newsletters
March 29, 2024
This month’s newsletter features a new episode of Iran Watch Listen, a podcast by the Wisconsin Project on Nuclear Arms Control. We sat down with Wolf-Christian Paes, an expert on arms and maritime security, to discuss Iran’s support for the Houthi rebel group, the ways in which arms are smuggled into Yemen, and what can be done to stop the...
Interviews and Podcasts
March 27, 2024
In this episode, we sat down with Wolf-Christian Paes, who served on the U.N. Panel of Experts on Yemen from 2018 until 2023. We discussed Iran’s support for the Houthi rebel group, the ways in which arms are smuggled into Yemen, and the challenges of enforcing the arms embargo imposed on the Houthis by the U.N. Security Council.
Newsletters
February 28, 2024
This month’s newsletter features an analysis of two recent U.S. interdiction operations off the coast of Yemen. The operations, which turned up components of ballistic and anti-ship missiles and waterborne drones, present compelling evidence that Iran continues to violate the United Nations arms embargo on the Houthis.
International Enforcement Actions
February 22, 2024
In January, U.S. forces conducted two operations to stop vessels smuggling lethal aid from Iran to Yemen. The interdictions took place against a backdrop of ongoing Houthi missile and drone attacks against ships in the Red Sea, highlighting the role Iran has played in enabling the Houthis' assault on global commerce.
Weapon Program Background Report
February 22, 2024
Iran has over 3,000 ballistic missiles, the largest arsenal in the Middle East. This table presents the known capabilities of Iran's major missile systems.
Newsletters
January 31, 2024
This month’s newsletter features a roundtable report on applying the lessons from North Korea to address Iran's nuclear program. The report summarizes the conclusions of an expert panel discussion convened by the Wisconsin Project and offers ideas for diplomacy, threats, sanctions, and other tools that may be used to stop or limit a nuclear...