Our Publications

Newsletters
May 29, 2024
This month’s newsletter features an update to a running timeline of Iran’s nuclear milestones. Since the last update, some U.N. sanctions on Iran’s nuclear program expired, but European countries decided not to lift their own proliferation-related sanctions as stipulated in the 2015 nuclear agreement.
Weapon Program Background Report
May 28, 2024
Iran operates dozens of facilities across the nuclear fuel cycle. This table lists Iran’s known and alleged nuclear sites and their purpose, location, operating status, and whether they are subject to monitoring by the IAEA.
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.
Weapon Program Background Report
April 19, 2024
This page contains a catalog of Iranian ballistic missiles, cruise missiles, and space launch vehicles (SLVs), with each one linked to an image. It includes guided missiles with a potential range of 300 kilometers or greater that Iran has unveiled, even if they have only been displayed as mock-ups. 
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.
Weapon Program Background Report
April 9, 2024
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.
Articles and Reports
April 9, 2024
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 five bombs. Once it has the enriched uranium, however, it could take at least several months to turn it into a working weapon.
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...

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