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Proliferation

Policy Analysis on Proliferation

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Nuclear centrifuges in Iran
Brief Analysis
Four Keys for Iran Snapback Implementation
Inevitable attempts by Tehran to rebuild its nuclear and missile programs will require a U.S.-led campaign to track the regime’s proliferation activities and block transfers of related materials.
Oct 8, 2025
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  • Richard Nephew
Photo of a woman walking in front of a mural that shows missiles being launched from Iran.
Articles & Testimony
The Risk and Reward of Preventive Strikes Against Iran
Understanding the background of the twelve-day war and the considerations that shaped Iran’s past nuclear calculus can help illuminate the factors most likely to influence its future proliferation choices.
Sep 30, 2025
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  • Michael Eisenstadt
Saudi Crown Prince Mohammed bin Salman and Pakistan Prime Minister Shehbaz Sharif embrace each other on the day they sign a defence agreement, in Riyadh, Saudi Arabia, September 17, 2025 - source: Reuters
Brief Analysis
Will Saudi Arabia’s New Defense Agreement with Pakistan Have Proliferation Consequences?
The deal seems mostly symbolic given that Riyadh is a major trading partner with India—Pakistan’s main adversary—but the implications may nevertheless be significant for regional proliferation concerns, nuclear energy ambitions, and related U.S. diplomacy.
Sep 19, 2025
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  • Simon Henderson
Brief Analysis
Iran’s Nuclear Reconstitution Options
Iran’s leaders have several paths to restoring or reconfiguring their nuclear program—some more realistic or risky than others—so Washington should focus on shaping which route they choose rather than discounting the possibility altogether.
Sep 4, 2025
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  • Richard Nephew
Articles & Testimony
Snapback Sanctions Hit Iran
Actually enforcing them will require hard work by Western diplomats and experts in the face of opposition from Tehran, Beijing, and Moscow.
Aug 29, 2025
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  • Michael Singh
  • Richard Nephew
Brief Analysis
Will Renewed UN Sanctions Bring Iran Back to the Table?
Reimposing old sanctions may not have much economic impact if China sidesteps them, but Washington could still use the mechanism to pressure Iran on returning to negotiations.
Aug 27, 2025
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  • Patrick Clawson
A poster at a Pentagon briefing depicts the U.S. bombing attack on Iran's Fordow uranium enrichment facility in July 2025 - source: Reuters
Brief Analysis
After the Bombing: Iran’s Nuclear Options
While the recent military strikes against its nuclear program may further incentivize Tehran to go for the bomb, they may also complicate such efforts and give Washington more leverage to dissuade it.
Jul 23, 2025
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  • Michael Eisenstadt
Brief Analysis
An Opportunity Not to Be Missed: Agenda for the Trump-Netanyahu Meeting
The two leaders should focus on articulating a vision for a diplomatic agreement with Iran, sketching a common roadmap on Gaza, setting the stage for further Arab-Israeli normalization, and updating the parameters of bilateral strategic cooperation for a new regional reality.
Jul 3, 2025
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  • Dana Stroul
  • Robert Satloff
Video
Brief Analysis
After the "Hammer": Postwar Opportunities and Risks for U.S. Policy in the Middle East
The objectives of Operation Midnight Hammer aligned with the broader U.S. goals of curbing Iranian threats and stabilizing the Middle East—but military force alone will not produce those outcomes.
Jul 1, 2025
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  • Robert Satloff
  • Mona Yacoubian
  • Richard Nephew
A photo illustration shows US and Iranian flags and an atomic symbol - source: Reuters
Brief Analysis
Iran Talks Are Still Necessary—Here’s What They Should Focus On
From insisting on zero enrichment to making the ceasefire conditional, officials should ensure that any post-conflict negotiations with Tehran fully address U.S. policy imperatives, including the need to prevent reconstitution of the nuclear program.
Jul 1, 2025
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  • Michael Singh
A photo illustration shows US and Iranian flags and an atomic symbol - source: Reuters
Brief Analysis
Back to the Table? Recommendations for Negotiations with Iran
A compilation of views on the next round of prospective talks with Iran, sanctions relief options, military and technical considerations, the international role, and more.
Jun 27, 2025
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  • Dennis Ross
  • Richard Nephew
  • Farzin Nadimi
  • Patrick Clawson
  • Michael Singh
  • Grant Rumley
  • Anna Borshchevskaya
Video
Brief Analysis
Energy and Economic Implications of the Iran-Israel Conflict
Three experts explore the war’s impact on global energy markets, Iran-Gulf relations, President Trump’s oil price calculations, and more.
Jun 27, 2025
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  • Homayoun Falakshahi
  • Jennifer Gnana
  • Gregory Brew
Nuclear centrifuges in Iran
Articles & Testimony
Did the Attacks on Iran Succeed?
Israel and the United States bought themselves time on the nuclear issue, but the decision to take the military path raises a host of other risks and questions.
Jun 26, 2025
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  • Richard Nephew
Brief Analysis
Iran’s Retaliation: Choreography, Escalation Management, and the Mirage of “All-Out” War
Fears of an “all-out” war with Iran have been greatly overstated, and they fail to account for the Islamic Republic’s overriding desire to avoid such an outcome and the diverse repertoire it has developed to prevent one.
Jun 25, 2025
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  • Michael Eisenstadt
A USAF B-2 Spirit bomber refuels in flight - source: Department of Defense
Video
Brief Analysis
U.S. Attacks Iranian Nuclear Sites: Implications for Israel, the Middle East, and U.S. Policy
Two veteran U.S. officials join a former Israeli ambassador to discuss the effects and future consequences of the Trump administration’s decision to strike Iran’s nuclear program.
Jun 25, 2025
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  • Dana Stroul
  • Michael Herzog
  • Dennis Ross
  • Robert Satloff
A highway bridge in Tehran displays images of nuclear scientists killed during Israeli strikes against Iran in June 2025 - source: Reuters
Video
Brief Analysis
The Bigger Picture in the Iran-Israel Conflict: Russia, Missiles, Militias, and More
Four experts assess how outside players might respond to the showdown, and whether Tehran will switch up its calculus on procurement, attack tactics, and other military matters as the fight goes on.
Jun 23, 2025
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  • Anna Borshchevskaya
  • Michael Knights
  • Farzin Nadimi
  • Assaf Orion
Brief Analysis
What Nuclear Restrictions Would Be Required for a Viable Iran-Israel Ceasefire?
The most important restrictions include measures like permanently dismantling enrichment infrastructure and properly disposing of key materials and equipment, but policymakers need to be clear-eyed about the inherent limitations of even the strictest verification agreement.
Jun 20, 2025
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  • Richard Nephew
  • Patrick Clawson
Nuclear centrifuges in Iran
Articles & Testimony
The United States May Destroy the Fordow Enrichment Plant. It Won’t Make the Iranian Nuclear Threat Go Away.
The risk of nuclear breakout is probably greater today than before Israel’s military campaign, and simply taking out Fordow would not stop the regime from using suspected secret sites to produce nuclear weapons.
Jun 17, 2025
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  • Richard Nephew
Articles & Testimony
Why Israel’s Attack on Iran Has Been a Success
Just as with the Hezbollah missile threat in Lebanon, completely eliminating the Iranian nuclear threat is not the best yardstick for Israel’s current campaign.
Jun 17, 2025
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  • Matthew Levitt
Emergency crews work at the scene of an Israeli air strike in Tehran in June 2025 - source: Reuters
Video
Brief Analysis
From Diplomacy to Military Force: The Future of Iran’s Nuclear Program
U.S. and Israeli experts assess the quickly evolving situation as the IDF continues striking targets across the country, Tehran retaliates with missile salvos, and the international community mulls how best to contain the crisis.
Jun 17, 2025
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  • Michael Eisenstadt
  • Zohar Palti
  • Dennis Ross
  • Dana Stroul

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Featured experts

Patrick Clawson
Patrick Clawson
Patrick Clawson is the Morningstar Senior Fellow and Research Counselor at The Washington Institute.
Michael Singh
Michael Singh
Michael Singh is the Managing Director and Lane-Swig Senior Fellow at The Washington Institute.
Simon Henderson
Simon Henderson
Simon Henderson is the Baker Senior Fellow and director of the Bernstein Program on Gulf and Energy Policy at The Washington Institute, specializing in energy matters and the conservative Arab states of the Persian Gulf.
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