Our Publications

Articles and Reports
April 2, 2021
With its known capacity, Iran cannot make a sudden dash to produce the fuel for a small nuclear arsenal of five implosion-type warheads – the goal Iran set for itself when it began to work on nuclear weapons decades ago. Instead, the main nuclear weapon risk in Iran is secret sites, which Iran has relied on to carry out illicit work in the past.
Newsletters
March 31, 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 Laura Rockwood, a former senior official from the International Atomic Energy Agency (IAEA), who explains the Agency’s role in inspections related to Iran’s nuclear program.
Weapon Program Background Report
March 31, 2021
Iran operates a number of nuclear facilities. This infrastructure includes locations where Iran mines natural uranium, plants that process uranium ore into a concentrate, and plants that convert it into uranium hexafluoride (UF6) gas. This table lists Iran’s known and alleged nuclear sites and their purpose, location, and operating status.
Interviews and Podcasts
March 30, 2021
In the third episode of the Iran Watch Listen podcast, we speak with Laura Rockwood, a former senior official at the International Atomic Energy Agency (IAEA), about the authorities that the IAEA uses to conduct nuclear inspections in Iran, as well as Iran's recent decision to reduce the Agency's level of access.
Newsletters
February 25, 2021
This month’s newsletter features a report estimating Iran’s ability to make a sudden dash to produce the fuel for a small nuclear arsenal and a timeline of milestones in the development of Iran’s nuclear program.
Weapon Program Background Report
February 23, 2021
Since the United States withdrew from the international agreement restricting Iran's nuclear program, Iran has taken its own steps in violation of the accord. These measures include accumulating over 300 kilograms of enriching uranium, enriching it to levels beyond 3.67 percent, and deploying advanced centrifuges at Fordow and Natanz.
Newsletters
January 28, 2021
This month’s newsletter features a report on the multilayered sanctions levied against Iran’s financial sector as part of the Trump administration’s “maximum pressure” campaign, and the legacy of these sanctions for the Biden administration’s planned nuclear diplomacy.
Articles and Reports
January 27, 2021
On October 8, 2020, the United States designated Iran’s financial sector and sanctioned eighteen Iranian banks. In doing so, the U.S. Treasury Department applied secondary sanctions to Iran's entire financial sector for the first time, potentially barring foreign entities from the U.S. financial system.
Newsletters
December 17, 2020
This month’s newsletter features a report on the U.S. Justice Department’s effort to forfeit Iranian-origin weapons interdicted by U.S. forces in 2019 and 2020 en route to Yemen – the government's largest-ever forfeiture action for weapons from Iran. The seizure and forfeiture effort are part of a broader U.S.
International Enforcement Actions
December 14, 2020
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.

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