Our Publications

International Enforcement Actions
December 7, 2021
For years, Iran has violated the United Nations’ arms embargo on Yemen by smuggling weapons to the Houthis, an Iranian-aligned movement of Yemeni rebels. In November 2019 and February 2020, the U.S. Navy intercepted two of those shipments.
November 30, 2021
This month's newsletter features two publications on the status and implications of Iran’s advanced centrifuges. From the IR-1 to the possible fifth-generation IR-9, Iran is committed to operating centrifuge models that can enrich greater amounts of uranium with fewer machines.
Articles and Reports
November 22, 2021
As a result of illicit imports and domestic development since the late 1980s, Iran now possesses thousands of gas centrifuges, which are the mainstay of its nuclear program. These rapidly spinning machines enable Iran to enrich uranium to a level suitable for nuclear reactor fuel, or to a higher level suitable for nuclear weapons. The number and...
October 28, 2021
This month's newsletter features an international enforcement action examining two recent prosecutions of Iranian efforts to illicitly procure mass spectrometers, machines that can be used for uranium enrichment as well as a range of non-nuclear activities.
International Enforcement Actions
October 28, 2021
As Iran ramps up uranium enrichment, authorities in multiple countries have uncovered efforts by Iranian agents to procure mass spectrometers from abroad. These dual-use machines, which can precisely measure the purity and molecular structure of radioactive material, are essential for uranium enrichment. They also have a range of non-nuclear uses.
September 29, 2021
This month's newsletter features the latest episode of Iran Watch Listen, a podcast by the Wisconsin Project on Nuclear Arms Control. We speak with Neil Watts, a former member of the U.N. Panel of Experts on North Korea, about the evolution of missile and conventional arms cooperation between North Korea and Iran and techniques used by both...
Interviews and Podcasts
September 22, 2021
In the fourth episode of Iran Watch Listen, we sit down with Neil Watts, who served for five years as the Maritime Expert on the United Nations Panel of Experts on North Korea.
August 31, 2021
This month’s newsletter features the findings from an Iran Watch roundtable on the “atomic archive,” a trove of information about Iran’s past nuclear weapons program that was clandestinely acquired by Israel in 2018 from a storage building in Tehran.
August 30, 2021
During a pair of roundtables convened by the Wisconsin Project on Nuclear Arms Control, experts on nuclear nonproliferation policy analyzed the implications of information contained in Iran's so-called "nuclear archive."
July 30, 2021
This month’s newsletter features updates to timelines of Iran’s nuclear and missile programs. New entries cover recent developments in those programs, including launches of new multi-stage space launch vehicles and the production of uranium metal and 60 percent enriched uranium, as well as the international community’s response to those...