Jeffrey Lewis & Aaron Stein
Arms Control Wonk
The nuclear weapons, arms control, disarmament and nonproliferation podcast. Companion to the popular Arms Control Wonk blog (www.armscontrolwonk.com). Hosted by Jeffrey Lewis & Aaron Stein.
Author
Jeffrey Lewis & Aaron Stein
Category
Podcast website
Latest episode
Jun 30, 2026
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Episodes
Russian Entanglement 24.06.2024 27:43
Tom Schelling described escalation as a "curved slope" where you won't be able to predict when the final drop occurs, and Ukraine targeting an early warning radar in Russia certainly is at least a few steps down that slop. Jeffrey and Aaron sit down at the intersection of "legitimate conventional military target" and "direct cause of nuclear escalation" to talk about the risks and justifications f...
Iran and Israel's Missile War 18.05.2024 25:21
We have data! Jeffrey and Aaron walk through the new primary source data to figure out if either Iran's missile raid or Israeli's missile defense efforts were effective. This appears to be the first time that successful wartime ballistic missile defense intercepts can be validated via open source means, which is a major step forward for open source missile and BMD analysis. Jeffrey and Aaron also...
Iran's Once in a Lifetime Moment 17.04.2024 35:21
And you may find yourself not complying with the IAEA And you may find yourself in a war in another part of the world And you may find yourself making a metaphor about an automobile And you may find yourself enriching your uranium stocks, and building reactors And you may ask yourself "Well, how did I get here?" Letting the days go by, politics will hold you down Letting the days go by, heavy...
Russian Nuclear Doctrine in the Financial Times 2: A Conversation with William Alberque 10.04.2024 40:29
William Alberque joins Jeffrey for a friendly and deep debate about the Russian Navy nuclear documents leaked to FT, covered in our previous episode . This is a fascinating discussion not only on the documents themselves, but what they imply for Russia's view of its own territorial integrity, what it needs to convince its soldiers to go to bat for, and the eternal issues of "self-deterrence". Su...
Russian Nuclear Doctrine in the Financial Times 10.03.2024 35:35
Max Seddon and Chris Cook with the Financial Times have written an excellent piece on leaked Russian Naval documents that FT saw, focused on thresholds for Russian nuclear use, especially in a war scenario with China. Jeffrey and Aaron go through what the documents reveal and debate if they're generally consistant with what is understood about Russian nuclear doctrine or, as FT states, indicate t...
Jeffrey Visits the Test Site 19.02.2024 43:59
Road trip to Vegas. As part of an NGO transparency visit, NNSA opened up the Nevada Test Site to a group of international nuclear weapons experts, including one Dr. Jeffrey Lewis. Jeffrey goes through what he saw: P Tunnel, The BEEF, and the crown jewel, U1a. This was an NNSA exercise in transparency, aimed at showing the community and world that the U.S. stockpile stewardship and treaty verificat...
Russia Buys North Korean Missiles 17.01.2024 25:48
Shoigu went shopping. Russia is buying KN-23 and KN-25 missiles from North Korea and launching them in support of its invasion of Ukraine. Imagery from on the ground clearly shows North Korean style solid-propellant missiles. Jeffrey and Aaron talk about what this means for global ballistic missile proliferation, possible South Korean responses, and the continued rise of North Korea as a ballisti...
North Korea's New Satellite 28.11.2023 38:30
North Korea finally got a reconnaissance satellite into orbit, after several failed prior attempts! While it is a little rough around the edges, every program has to start somewhere. Jeffrey and Aaron talk through the implications of the DPRK's reconnaissance satellite, the relationship of the DPRK missile and space programs, and the importance of high fashion for the spacelaunching elites. Sup...
The Reason We're all Still Here 14.10.2023 8:49
Take a listen to the latest season of Jeffrey Lewis's podcast, The Reason We're All Still Here Far too often, governments behave like toddlers. They're fickle. They don't like to share. And good luck getting them to pay attention to any problem that isn't directly in front of them. They like to push each other to the brink, and often do. But when they don't, it's usually because other people ente...
Shenanigans in Novaya Zemlya 11.10.2023 32:39
Looks like everyone is preparing for a party. Between Russia's potential un-signing of a nuclear test treaty, threats to test "if the United States does," and refurbishments at Novaya Zemlya, things aren't looking great for the longevity of nuclear test ban norms. China and the U.S. have been modernizing too, though the U.S. has offered to allow monitors on-site to verify U.S. lack of testing. ...
Kim Jong Un's Excellent Adventure 17.08.2023 56:53
Sam Lair joins the podcast to talk about Kim Jong Un's recent whirlwind tour of the North Korean Defense Industrial Base with Jeffrey and Scott. If you're into missiles, geolocation, and machine tools (and, if you listen to this podcast, you probably are), you're going to want to tune in. Sam and Jeffrey have been mapping out the DPRK DIB, including plant managers, machine tool lineages, productio...
Oppenheimer 07.08.2023 54:14
Jeffrey is joined by the illustrious Kelsey Atherton to discuss Christopher Nolan's film Oppenheimer, as well as the history and legacy of the titular man himself. Kelsey and Jeffrey dive into the choice to focus on Oppenheimer's own security legacy and bypass the direct and indirect horrors affected upon the Congolese miners, New Mexicans, and Japanese civilians, as well as the intentional rende...
Hiroshima 2023 05.08.2023 34:05
Jeffrey is back from Hiroshima, where he participated in a Track 2 nuclear dialogue. The outlook for near-term arms control is still grim. Jeffrey and Aaron unpack the G7 statements on disarmament that the Japanese representatives wanted to re-affirm, the tacit condemnation of Russian and Chinese contained within, and the global theater around narrative control of arms control. Russian, US, and t...
What the F*** Do They Think the Russians are Going to Shoot at Them?! 18.07.2023 26:09
Germany has a gap that needs to be filled in the face of Russian threats. But this time it isn't Fulda, it is....the exoatmospheric layer of ballistic missile defenses? Jeffrey and Aaron try to understand Germany's decision to buy the very fancy Israeli/American Arrow-3 exoatmospheric BMD system, in absense of a specific Russian missile system and despite two Aegis Ashore sites coming online in Eu...
Failure to Launch 06.07.2023 25:43
Jeffrey is back from Japan and North Korea's satellite-turned-submarine is back from the bottom of the ocean! North Korea's failed Chollima-1 space launcher and its payload, the Malligyong-1, failed to reach space on May 30. Jeffrey and Aaron talk about the Japanese response to the launch, the North Korean reponse to the failure, and whether or not people are tacitly starting to accept North Kor...
Shangri-la Dialogue with Ankit Panda 12.06.2023 33:55
Ankit Panda joins Jeffrey by the every so fancy pool at the Shangri-La Dialogue in Singapore, where they talk about competing speeches and messaging, the views on US-China competition from Southeast Asia, and about how Jeffrey didn't make any new friends in the PLA this year. Support us over at Patreon.com/acwpodcast !
The CAT I is Out of the Bag 21.05.2023 38:08
Ukraine is getting the SCALP-EG/Storm Shadow cruise missile, and that's raising a whole lot of questions about MTCR guidelines Jeffrey and Aaron talk about the history of the Missile Technology Control Regime, what it was meant to originally address, and the whole host of problems associated with figuring out what a destabilizing cruise missile really looks like. Support us over at Patreon.com/...
The Washington Declaration 06.05.2023 39:30
President Yoon of South Korea recently visited the United States to talk nukes and Don McLean with President Biden. Jeffrey and Aaron talk through what the Declaration actually covers, how much was material and how much was fluff, and the moonwalking capabilities of the D5 SLBM. Support us over at Patreon.com/acwpodcast !
FINALLY. North Korea's Solid ICBM: The Hwasong-18 15.04.2023 30:31
FINALLY. After almost a decade of hinting and teasing and parading fake empty canisters, North Korea has debuted its long-awated solid propellant ICBM. And the team have some questions about where the construction and testing sites were... Jeffrey, Scott, and Dave descend upon the CNS DC offices for a rare in-person podcast to commemorate the event we've been waiting on for years. Support us ov...
Iran, the IAEA, and the Kingdom 21.03.2023 31:52
The IAEA is doing a great job with the s**t we're handing them. A very jetlagged Jeffrey joins Aaron to talk about the IAEA and the very positive role that Director General Rafael Grossi has played in trying to hold together the nuclear situation with Iran. JCPOA-holdover cameras, discontinuity in footage, and a bunch of suddenly friendliness from the Kingdom of Saudi Arabia all make for a tense a...
The Actual Demise of New START 09.03.2023 40:52
New START has been in peril for years. The first episode of the pod was about the INF Treaty being in danger, and here we are, 8 years later, with almost no arms control treaties left. Maybe it is time to rename the pod Arms Race Wonk, because the next few years are going to be scary. Jeffrey and Aaron talk through the Era Without (Bilateral) Arms Control, the immanent two-front deterrence challe...
Another North Korean Missile Parade 10.02.2023 35:22
Jeffrey, Aaron, and Scott say the unthinkable: we're a little tired of the parades. But we're glad the youthes are still ordering pizza and crowding around the computer to watch. North Korea paraded at least 15 ICBMs, including 4 that were clearly meant to look like solid-propellent ICBMs. We've been down this road before, they've played with our hearts. But now we're in the era where a solid ICB...
One of Them is Wrong About That 16.01.2023 35:46
Both plan on going first, but... President Yoon Suk-yeol of South Korea is being piled on for discussing South Korean pursuits of nuclear weapons (although what he said *exactly* was distorted a little). In the face of increasing pressure to respond to North Korea's nuclear posture, South Korea is realistically pursuing capabilities for rapid, precision strikes. North Korea feels similarly. As Je...
Detecting Missile Launches with Ionospheric Disturbances 21.12.2022 37:10
Tyler Nighswander and Mike Nute have developed an incredible tool for detecting long-range missile and space launches by processing and visualizing ionospheric disturbances in GPS data. In one of the most fascinating and technically complex episodes of the ACW pod, Tyler and Mike join Jeffrey to talk about their wild new open-source intelligence tool, how it works, and what it means for missile a...
How Sting Likes to Test 03.12.2022 27:05
Jeeze that was a big missile. North Korea has tested another large ICBM, and this one was (another) doozy. Jeffrey and Aaron talk through modelling this missile, the potential theft of missile tech from Ukraine, Kim Jong Un's Bring Your Daughter to Work Day, and the incredible Missile Launch Detection tool that @tylerni7 and @michaelnute have spearheaded in the ACW Slack channel. Support us over...
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