Our Publications
International Enforcement Actions
April 16, 2025
In December, a federal court in Boston charged two men with conspiring to export U.S.-origin electronics to an Iran-based supplier of the Islamic Revolutionary Guard Corps (IRGC).
Newsletters
March 28, 2025
This month’s newsletter features updates to a report estimating how quickly Iran could enrich enough uranium to fuel a small nuclear arsenal and a table accounting for Iran’s deployed centrifuges.
Articles and Reports
March 28, 2025
How quickly could Iran get enough fissile material for a small nuclear arsenal? This timetable estimates how quickly Iran could amass enough weapons-grade uranium for at least five bombs. Once it has the enriched uranium, however, it could take at least several months to turn it into a working weapon.
Weapon Program Background Report
March 21, 2025
In recent years, Iran has developed and deployed centrifuge models that can enrich greater amounts of uranium with fewer machines relative to its original IR-1 design. This table sets out the number of installed and operational centrifuges at Iran's enrichment sites, as well as the capacity and primary materials of each centrifuge model.
Newsletters
February 28, 2025
This month’s newsletter features a report with recommendations for how an aggressively-implemented export control policy can support the new administration’s objectives on Iran. Tehran and its proxies were weakened in 2024, and there is now an opportunity to hinder their rearmament by targeting Iran’s production of drones and missiles.
Articles and Reports
February 27, 2025
Two weeks after assuming office, President Donald Trump announced the resumption of the maximum pressure policy against Iran that his first administration pursued from 2018 to 2021. In 2025, Iran is much closer to producing a nuclear weapon.
Speeches and Testimony
February 20, 2025
Wisconsin Project Executive Director Valerie Lincy was interviewed about Iran’s nuclear program on the Center for Arms Control and Non-Proliferation’s Nukes of Hazard podcast.
Newsletters
January 30, 2025
This month’s newsletter features an update to a running timeline of Iran’s missile milestones.
Weapon Program Background Report
January 29, 2025
This timeline contains Iran's major missile accomplishments since 1984. Since the last update, Iran carried out two missile attacks against Israel, the European Union established new sanctions on Iran’s missile program, Iran transferred ballistic missiles to Russia, and the Houthis unveiled new missiles indicating technology transfers from Iran.
Newsletters
December 18, 2024
This month’s newsletter features an update to a report estimating how quickly Iran could enrich enough uranium to fuel a small nuclear arsenal. The update reflects data from the most recent International Atomic Energy Agency (IAEA) reports, which indicate that Iran’s stockpile of 60% enriched uranium is sufficient to fuel five nuclear weapons if...