Dr. Jeffrey Lewis

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Dr. Jeffrey Lewis

Dr. Jeffrey Lewis

@ArmsControlWonk

Distinguished Scholar of Global Security at @middlebury, staff at @fpri & @JamesMartinCNS, host of the @ACWpodcast, member @theNASEM CISAC, ex-ISAB at @StateDep

Carmel, CA Katılım Mart 2009
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Dr. Jeffrey Lewis
Dr. Jeffrey Lewis@ArmsControlWonk·
Thank you for your extremely good-faith criticism. I will give it the attention it deserves.
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Michael C. Horowitz
Michael C. Horowitz@mchorowitz·
Regardless of the outcome in Iran, the massive use of weapons and cost + time to replace them means that the US needs alternatives to exclusively relying on high end capabilities! Read today! ⬇️⬇️⬇️
Foreign Affairs@ForeignAffairs

“In the age of precise mass, the U.S. military requires more than just exquisite capabilities,” argue @mchorowitz and @Lauren_A_Kahn. “It needs drones, it needs them in droves, and it needs them now.” foreignaffairs.com/iran/irans-dro…

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Christopher Clary
Christopher Clary@clary_co·
As a non-expert, Israel's theory of victory in this campaign appears to be to turn Iran into a giant Lebanon. But It's not clear to me what the United States's theory of victory is here.
Stephen Stapczynski@SStapczynski

An unintended consequence of the strikes on Iran’s gas fields? Turkey may be forced to import more LNG 🇹🇷 🚢 Iran sends gas from South Pars to Turkey via a pipeline (making up ~15% of the country’s demand) If that’s shut, Turkey will need more LNG to fill the gap

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Dr. Jeffrey Lewis
Dr. Jeffrey Lewis@ArmsControlWonk·
@JibMonkey Why would I bother with an irrelevant question? Actually, why would I bother with you? Goodbye.
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Dr. Jeffrey Lewis
Dr. Jeffrey Lewis@ArmsControlWonk·
The Joe Kent nonsense is an excellent opportunity for your semi-regular reminder that Jewish Americans opposed the Iraq war more than any other religious group, something that will be obvious if you stop mainlining online brain poison. news.gallup.com/poll/26677/amo…
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laurence norman
laurence norman@laurnorman·
Once again the same old canard. The IAEA reported last September precisely what HEU had. There was nothing new in what the Iranians said than was publicly known. This is just unserious.
Lindsey Graham@LindseyGrahamSC

During negotiations between Iran, Steve Witkoff and Jared Kushner, the regime rejected the U.S. offer to provide a peaceful nuclear power program for free. Also during these negotiations, the Iranians made a stunning statement. They boasted to Witkoff and Kushner that they had 460 kilograms of 60% enriched uranium. There is no commercial purpose for enriching uranium to 60%. The time to go from 60% to 90% enrichment, which is weapons-grade, is weeks, not months. 460 kilograms of uranium enriched to 90% is enough for 10 bombs. Instead of panicking, begging the Iranians not to go forward and throwing money at them like Obama and Biden did, @POTUS chose a different path. When informed of the imminent possibility of a nuclear breakout by Iran, President Trump authorized Operation Epic Fury, which obliterated the Iranian enrichment program. He acted in the nick of time before this terrorist regime would have had enough weapons-grade uranium to make 10 nuclear bombs.

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Dr. Jeffrey Lewis
Dr. Jeffrey Lewis@ArmsControlWonk·
@JibMonkey Again, with the online brain poison. Most Jewish Americans don't even attend synagogue. Go outside, make friends.
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Matthew Yglesias
Matthew Yglesias@mattyglesias·
Nice to see someone resign in protest over a misguided foreign policy adventure, but it being Joe Kent going out in a blaze of anti-semitic conspiracy theories is a real sign of our times.
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ProfTalmadge
ProfTalmadge@ProfTalmadge·
Quite a disconnect between how much the President emphasized Iran's nuclear program as a motive for war yesterday, and the continued CENTCOM targeting updates that do not even mention the nuclear program. Maybe the theory is that these strikes are all preparatory to some action against Iran's nuclear assets later. But there is a large disjuncture between the stated casus belli and what we're actually observing with the military campaign thus far.
U.S. Central Command@CENTCOM

Operation Epic Fury: March 16th Update

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Bruno Tertrais
Bruno Tertrais@BrunoTertrais·
An interesting perspective
Raz Zimmt@RZimmt

A few remarks regarding the Israeli perspective that may explain the continuation of the policy of decapitating senior Iranian officials. One can agree with it or oppose it, but it is worth at least understanding it, because it will also influence the continuation of the campaign. From Israel’s perspective, there is currently no one among the decision-makers in Iran—neither in the political leadership nor in the military establishment—who can be relied upon to bring about a meaningful change in Iranian strategy after the war. In the view of Israeli decision-makers, the distinction between pragmatic conservatives such as Larijani and hardliners such as Ahmad Vahidi may be relevant to academic Iran watchers, but it has little practical significance. Even the supposedly more pragmatic figures were not prepared before the war—and certainly not after it—to implement a “paradigmatic change,” as some of the more moderate voices outside Iran’s decision-making circles had proposed. In addition, since Israel would oppose any future attempt at any arrangement with the Islamic Republic, the question of whether one Iranian official or another might be more or less willing to agree to such a possible arrangement is irrelevant from Israel’s perspective. Given this assessment, the military campaign proceeds from the assumption that the Iranian leadership will likely continue the same policies pursued by the Islamic Republic under Khamenei—perhaps even in a more extreme form—unless Israel’s preferred (and less likely at this stage) scenario materializes: regime change or regime collapse. Therefore, Israel’s assessment focuses on three components: 1. The intentions of the Iranian leadership: Here, as noted, Israel sees no meaningful difference between the different Iranian officials regarding the issues that concern Israel most—nuclear capabilities, missiles, and regional policy. 2. The skills and abilities of the Iranian officials: From this perspective, Larijani may be considered no less dangerous than someone like Saeed Jalili, because he is perceived as having greater influence, experience, and abilities. 3. The military capabilities that will be available to the Iranian leadership after the war: In this context, one can understand the effort to degrade not only Iran’s strategic military capabilities but also its ability to rebuild them after the war. In sum, since Israel cannot ensure that Iran’s leadership after the war will meet the minimum necessary requirements to its national security, any kind of undermining and weakening of the regime—alongside the degradation of its military capabilities—is considered a valid objective.

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Dr. Jeffrey Lewis
Dr. Jeffrey Lewis@ArmsControlWonk·
@StrickerNonpro That sounds like a fantasy to me and I am not willing to indulge such fantasies at the cost of killed and wounded service personnel or schools full of dead children, to say nothing of other foreign policy goals.
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Andrea Stricker
Andrea Stricker@StrickerNonpro·
@ArmsControlWonk Same proposal to you:
Andrea Stricker@StrickerNonpro

@DarylGKimball Daryl, we disagree deeply on this but you’re a man of principle—so let’s agree you’ll admit the military option was the best course—if the end state is a free Iran, no longer a threat to its neighbors, with a fully dismantled nuclear program under UN/IAEA verification.

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Ben Pauker
Ben Pauker@benpauker·
What a petty, mean-spirited "exposé" of a text exchange in which a reporter literally only asks, "any ideas what you'll do next?" and keeps her cool amid unnecessary insults. 👏@NYTLiz
Richard Grenell@RichardGrenell

Elizabeth Williamson isn’t a journalist. She is a left wing hack who lies about Republicans. All the time. I’m not falling for her agenda-drive tactics. I’m exposing her. Here is the text exchange I just had with her proving she lies. @NYTLiz should be fired. Can you imagine putting in writing that you will just say I declined the comment because you don’t like my comment? The New York Times should launch an investigation into her previous work.

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Dr. Jeffrey Lewis
Dr. Jeffrey Lewis@ArmsControlWonk·
Anyway, here's a picture of me and some other folks at the SEDAN crater.
Dr. Jeffrey Lewis tweet mediaDr. Jeffrey Lewis tweet media
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Dr. Jeffrey Lewis
Dr. Jeffrey Lewis@ArmsControlWonk·
This is very, very funny--but also the way a PNE works is that one explodes the device underground to make a crater. That's what the SEDAN crater is. nuke-canal.vercel.app
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Dr. Jeffrey Lewis
Dr. Jeffrey Lewis@ArmsControlWonk·
Half Moon Bay’s second-biggest rocket enthusiast.
Steve Jurvetson@FutureJurvetson

🚀 Today is the 100-year anniversary of the first liquid-fueled rocket launch. Like the Wright Brothers, Robert Goddard’s flight changed rocketry forever, pioneering today's mainstay, liquid-fueled SpaceX rockets. Here are my artifacts from his 1926 flight (last photo). But first, I am pointing to a museum replica of Nell — Goddard’s 10’ tall rocket powered by gasoline and liquid oxygen. It went just 41’ up in 2.5 seconds, hitting 60 MPH, but it marked the dawn of the space age. The New York Times publicly mocked his work in 1920, but Goddard persisted. Fearing further criticism, Goddard kept his 1926 launch secret for nearly a decade. Go Goddard, go, go go! “There can be no thought of finishing, for aiming at the stars, both literally and figuratively, is the work of generations, but no matter how much progress one makes there is always the thrill of just beginning.” — Robert Goddard From the Future Ventures’ space museum, last photo: 1) Inner nozzle from the first flight Starting on the far right, the alundum cement rocket nozzle liner from the liquid-fueled rocket launched by Robert H. Goddard, likely the world's first on March 16, 1926. The piece measures approximately 1.25 x 2.25 x .5 inches and has scorch marks on the interior from use. This artifact was given to Frederick C. Durant III by Goddard’s widow, Esther Goddard, and has been kept in an envelope labeled in Durant’s hand, “Ceramic rocket nozzle liner used by R. H. Goddard in 1920s, possibly from the 1926 (March 16) flight.”   Frederick C. Durant III, the former head of astronautics at the Smithsonian’s National Air and Space Museum, was one of the world’s foremost authorities of spaceflight and rocketry. This is one of several artifacts he received from Esther Goddard, one of the four people on the crew for the launch of March 16, 1926, and from her testimony, he determined the 1926 flight as the likely origin. The small size of the piece lends credence to this conclusion, as Goddard’s rocket experiments grew larger and larger over time. 2) Fuel valve remains from a failed experiment Bottom left. Fuel-feed-rate needle valve from one of Goddard’s early rockets, circa late 1920s/early 1930s. The piece measures approximately 7 x 5 x 2” and consists of a valve passing through a longer pipe segment attached to a fragment of a larger base; a short bracket extends from the base, which was damaged in a blast during rocket experiments. The needle valves were located near the top of Goddard’s rockets and were a critical element in controlling his fuel feed line and tank systems. This artifact was given to Frederick C. Durant III by Goddard’s widow, Esther Goddard. 3) Fuel Tank Baffle Upper left. Bi-level metal rocket fuel tank baffle from one of Goddard’s early rockets, circa mid-to-late 1920s. The piece measures approximately 3.5″ in diameter and 2.25″ tall and consists of two discs connected by four rods. This artifact was also given to Frederick C. Durant III by Goddard’s widow, Esther Goddard. The baffle was an important element of Goddard’s fuel tank design, used to combat the ‘slosh’ of liquid propellant during flight. A couple more Goddard quotes that remind me of @ElonMusk: “Every vision is a joke until the first man accomplishes it; once realized, it becomes commonplace.” "It is difficult to say what is impossible, for the dream of yesterday is the hope of today and the reality of tomorrow."

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Dr. Jeffrey Lewis
Dr. Jeffrey Lewis@ArmsControlWonk·
While the United States may have reallocated some interceptors from South Korea to the Middle East, as of March 12 there remain at least four launchers and the AN/TPY-2 radar on site. Lovely image from @planet.
Dr. Jeffrey Lewis tweet media
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Zachary Cohen
Zachary Cohen@ZcohenCNN·
“A senior administration official said that the administration knows prices are going to continue to rise but there isn’t a lot it can do at the moment. The Pentagon has told the administration that options exist to open the strait, and the administration wants that to happen in a matter of weeks, not months, the person said.”
Vera Bergengruen@VeraMBergen

In a series of White House meetings, American oil executives delivered a bleak message to Trump officials in recent days: The energy crisis the Iran war has unleashed is likely to get worse. wsj.com/business/energ…

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