Jeffrey Lewis

Jeffrey Lewis

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NTI/MIIS scholar; nuclear deterrence, arms control, missile forces (OSINT).

Iran Cut JCPOA Compliance Right After Trump, Not Ignored
SocialApr 17, 2026

Iran Cut JCPOA Compliance Right After Trump, Not Ignored

The people cheerleading this war are now pretending that Iran never dared walk away from JCPOA commitments under Trump. The problem is that Iran immediately and publicly began limiting its compliance as many of us noted at the time. 👇

By Jeffrey Lewis
Trump’s JCPOA Exit Let Iran Build HEU Stockpile
SocialApr 17, 2026

Trump’s JCPOA Exit Let Iran Build HEU Stockpile

Iran did not have a stockpile of highly enriched uranium until after Trump withdrew from the JCPOA because Iran was prohibited from doing so and under monitoring, Trump is the arsonist taking credit for putting out the fire he started.

By Jeffrey Lewis
Iran's Actions Reveal Trust Deficit, Not Broken Promises
SocialApr 17, 2026

Iran's Actions Reveal Trust Deficit, Not Broken Promises

Iran made the same statement when it acceded to the NPT, when Khamenei issued the beaten-to-death fatwa and when Zarif signed the JCPOA. We lacked trust, not promises.

By Jeffrey Lewis
Coding Missile Software on Phone at Oakland Listening Bar
SocialApr 17, 2026

Coding Missile Software on Phone at Oakland Listening Bar

I am vibe-coding some missile modeling software on my phone from a Japanese-style listening bar in Oakland. Shit’s weird. https://t.co/h4v8nI5gFq

By Jeffrey Lewis
Advocates Overspend on Doomed Program Despite Soaring Costs
SocialApr 16, 2026

Advocates Overspend on Doomed Program Despite Soaring Costs

Narrator: They turned out to cost a lot, much more than anyone imagined, but nothing, in the end, was “too much” for advocates of the doomed program …

By Jeffrey Lewis
Strike Missile Likely PrSM, Not Iranian Cruise Missile
SocialApr 12, 2026

Strike Missile Likely PrSM, Not Iranian Cruise Missile

I told @trbtc & @johnismay (@nytimes) the missile involved in the strike that killed 21 civilians, including at least 5 children, appears to be ~15 feet long--closer to a PrSM than an Iranian cruise missile. This is how...

By Jeffrey Lewis
Trump Shouldn't Order Navy to Sink Chinese Warship
SocialApr 12, 2026

Trump Shouldn't Order Navy to Sink Chinese Warship

It’s not that the Navy can’t sink a Chinese warship, it’s that Trump shouldn’t ask the Navy to sink a Chinese warship.

By Jeffrey Lewis
Interdicting Chinese Tanker Risks Escalation with Warship Escort
SocialApr 12, 2026

Interdicting Chinese Tanker Risks Escalation with Warship Escort

So, let’s game this out. A Chinese flagged tanker pays the toll and transits the strait. We interdict it? What if the tanker is escorted by a Chinese warship? https://t.co/8ehkhlpNBn

By Jeffrey Lewis
Trump‑Kim Talks Yielded No Disarmament, Left Kim Stronger
SocialApr 8, 2026

Trump‑Kim Talks Yielded No Disarmament, Left Kim Stronger

My experience watching Trump "negotiate" with Kim Jong Un was: Kim never offered to disarm, Pompeo would wishcast disarmament, lots of media would amplify, a couple of summits happened, but no deal emerged ... leaving Kim stronger than before. Maybe...

By Jeffrey Lewis
President’s Voice Needs Code, Not Personal Delivery
SocialApr 7, 2026

President’s Voice Needs Code, Not Personal Delivery

Folks, the only code is the one the President uses to authentic his voice. He could literally ride over to the NMCC and give the order in person.

By Jeffrey Lewis
JCPOA Backed to Stop Iran's Nuclear Weapon, Now Inevitable
SocialApr 4, 2026

JCPOA Backed to Stop Iran's Nuclear Weapon, Now Inevitable

Experts who supported what became the JCPOA did so overwhelmingly because we did not wish to see Iran acquire a nuclear weapon, something that now seems certain if the regime survives. He's ignored these arguments for two decades, no...

By Jeffrey Lewis
US Patriot Interceptor Strikes Bahrain's Block 602, Confirms Report
SocialApr 3, 2026

US Patriot Interceptor Strikes Bahrain's Block 602, Confirms Report

A second video now appears to show the U.S. operated Patriot interceptor striking Block 602 of the Mahazza neighborhood in Bahrain early in the morning of March 9, 2026 -- just as @sam_lair, @DuitsmanMS, myself and others assessed & @JonathanLanday...

By Jeffrey Lewis
South Korea's Secret Missile Deployment Hints at Preemptive Strike
SocialApr 3, 2026

South Korea's Secret Missile Deployment Hints at Preemptive Strike

.@dex_eve & I have a new piece out w/ @SurvivalEditors. In 2024, South Korea secretly deployed more than 300 KTSSM missiles at soft, fixed sites--suggesting that, in a crisis, Seoul may strike first & giving Pyongyang 300 reasons to beat...

By Jeffrey Lewis
CENTCOM Exaggerates Hoveyzeh Missile Length by Factor
SocialApr 3, 2026

CENTCOM Exaggerates Hoveyzeh Missile Length by Factor

PAO/@CENTCOM keeps claiming the Hoveyzeh LACM is "twice as long" as PrSM. PrSm is 3.96 m; Iran's LACMs (including Hoveyzeh) are ~6 m-long Kh-55 clones. Please divide six by four. https://t.co/fUnUu3fWmM

By Jeffrey Lewis