Authors

Jeffrey Lewis

Writing on ACW 2004–2026 · 2,079 posts

Dr. Jeffrey Lewis is the founding publisher of Arms Control Wonk.com. He is the Director of the East Asia Nonproliferation Program at the James Martin Center for Nonproliferation Studies at the Middlebury Institute of International Studies at Monterey. His also a non-resident affiliate at Stanford's Center for Security and International Cooperation and a Contributing Editor to Survival.

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It Really Looks Like A PrSM

The New York Times has a second story by Christiaan Triebert, John Ismay, Alexander Cardia, Leanne Abraham and Azmat Khanout that concludes … well, the title says it all: “New Evidence Further Implicates U.S. Missiles in Strikes That Killed 21…

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Possible Oreshnik Deployment in Belarus

A few days ago, Ukrainian President Volodymyr Zelenskyy stated that “The relocation of the Oreshnik system to the territory of Belarus is nearing completion. We understand where it will be deployed.” But Zelenskyy didn’t share the location! Jon Landay at…

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Institute of Atomic Energy in Pyongyang

A post written with Allison Berke… While the locations of many of North Korea’s most important nuclear facilities are known to the general public, one of North Korea’s more obscure locations has remained a mystery. In the mid-1980s, North Korea…

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North Korea’s ELWR Now Appears Operating

Under constructing since 2010, North Korea appears to have finally begun operating a new reactor at Yongbyon that could be a significant source of plutonium for its nuclear weapons program — but many of questions remain. North Korea’s Experimental Light-Water…

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Nuclear Test Sites Are Too Damn Busy

This is the written summary accompanying the satellite images we provided to CNN about the worrisome levels of activity we see at Russian, Chinese and US nuclear test sites.

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Errors in Analysis of the Hwasong-18

Errors in Postol’s Analysis of the Hwasong-18 Daniel Allen, Madeline Berzak, Michael Duitsman, Decker Eveleth, John Ford, Sam Lair, Jeffrey Lewis, Tricia White Key points: 🚀🚀🚀 Introduction Ted Postol’s analysis of the Hwasong-18 is marred by significant factual inaccuracies. Many…

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Death Cult Drones, Maybe

Did you know that, in the 1990s, the Aum Shinrikyo death-cult acquired two remote-controlled helicopters and considered using them to deliver chemical weapons? It’s a wild story, write Brian Scheu and Philipp Bleek — although one that raises more questions,…

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New Construction at Yongbyon

Josh Pollack, Dave Schmerler and I have a new analysis of satellite images showing that North Korea is resuming construction at a long-dormant nuclear reactor that, if completed, would increase its production of plutonium for nuclear weapons by a factor…

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Missile Defense

My colleague, Philipp Bleek, uses writing prompts for exam questions. The other day on student, Karl Riedel, submitted an answer that amused Philipp so much he asked permission to share it with me. And I, in turn, asked permission to…