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Analysis: Iran likely transferred highly enriched uranium to Isfahan before the June strikes
Bulletin of the Atomic Scientists ^ | 29/3/26 | Francois Diaz-Maurin

Posted on 03/30/2026 8:27:32 AM PDT by Eleutheria5

Working with a team of visual investigators that included the Bulletin, the French newspaper Le Monde has analyzed a previously unreported satellite image of the Iranian nuclear site at Isfahan, showing a large truck loaded with containers. In a Le Monde article published Saturday, experts said they could not be certain what the containers held. But the timing of the image, the type of load, and other indirect evidence suggest that Iran may have placed a significant quantity of highly enriched uranium—possibly all of its inventory—at the facility ahead of the June 2025 strikes by Israel and the United States against Iranian nuclear sites.

The International Atomic Energy Agency (IAEA) has mentioned the possible presence of highly enriched uranium at the Isfahan nuclear complex several times—a presence implicitly acknowledged by Iran’s own recent declarations. The IAEA has made multiple requests but was unable to access the underground tunnel complex at Isfahan, which was spared during Israeli and American military strikes in June. The satellite image could be the first publicly available evidence of the presence of highly enriched uranium at Isfahan.

....Le Monde informed the Bulletin about the image on March 19. What follows is a detailed visual and technical analysis supporting my assessment that the cargo may have been highly enriched uranium.

Aerial photo of Isfahan site.

The context. In June 2022, Iran turned off IAEA surveillance cameras at key nuclear sites in Iran, including monitoring devices at Natanz and Fordow. The shutdown was a direct retaliation for a resolution passed by the IAEA board of governors that criticized Iran for not explaining the presence of uranium traces at three sites it had not declared to be part of its nuclear program....

.....

(Excerpt) Read more at thebulletin.org ...


TOPICS: Editorial; Extended News; Hamas; Hezbollah; Iran; War; War on Terror; Yemen
KEYWORDS: 12daywar; enriched; hamas; hezbollah; iran; irgc; isfahan; uranium; war; waronterror; yemen
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This article is long. I didn't read it all, just skimmed. But the name of the journal is real sexy, so enjoy, let me know if it rewards closer examination, and I'll examine it closer.
1 posted on 03/30/2026 8:27:32 AM PDT by Eleutheria5
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To: Eleutheria5

What does “highly enriched” mean in this context?


2 posted on 03/30/2026 8:30:38 AM PDT by BenLurkin (The above is not a statement of fact. It is opinion or satire. Or both.)
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To: Eleutheria5
It says...."may have been"

You know what that means...you're just another victim of "read me"...

3 posted on 03/30/2026 8:35:20 AM PDT by Sacajaweau
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To: Eleutheria5

I skimmed the article. Juice wasn’t worth the squeeze. Authors are amazed by something war planners and strategists bake into the equation. But the authors are groundbreaking in their own minds. Feh.


4 posted on 03/30/2026 8:40:18 AM PDT by paulcissa (The left hates you and wants you dead.)
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To: Sacajaweau

Yeah no doubt these clowns have figured out something all of the Admins people could not /s


5 posted on 03/30/2026 8:45:09 AM PDT by gibsonguy
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To: BenLurkin

60% enriched.


6 posted on 03/30/2026 8:51:49 AM PDT by Georgia Girl 2 (The only purpose of a pistol is to fight your way back to the rifle you should never have dropped)
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To: Georgia Girl 2

Thank you.


7 posted on 03/30/2026 8:52:26 AM PDT by BenLurkin (The above is not a statement of fact. It is opinion or satire. Or both.)
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To: Eleutheria5

Maybe the location of Isfahan is the reason the 82nd Airborne has been called to the scene.


8 posted on 03/30/2026 9:01:52 AM PDT by RatRipper
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To: Eleutheria5

They’ve been transferring the same uranium to the same site since 1992


9 posted on 03/30/2026 9:03:32 AM PDT by qam1 (There's been a huge party. All plates and the bottles are empty, all that's left is the bill to pay)
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To: paulcissa

If you attack them, you attack science!D


10 posted on 03/30/2026 9:26:04 AM PDT by Eleutheria5 ("America can be summed up in one word: Asmpfutehehepfpfutehe")
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To: Sacajaweau

Thank you.


11 posted on 03/30/2026 9:27:17 AM PDT by Eleutheria5 ("America can be summed up in one word: Asmpfutehehepfpfutehe")
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To: Sacajaweau

It means during war it is hard to be sure of things but current information indicates this.

Either try to follow what is happening in the war or ignore it until the books and proof comes out.


12 posted on 03/30/2026 10:14:10 AM PDT by ansel12 ((NATO warrior under Reagan, and RA under Nixon, bemoaning the pro-Russians from Vietnam to Ukraine.))
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To: ansel12

Exactly. Fog of War. Message board pundits have absolutely no idea what’s really going on, not to mention the entire media.


13 posted on 03/30/2026 11:08:17 AM PDT by Deo volente
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To: Eleutheria5

Here we go again...Saddam likely transferred his chemical weapons to (Fill in the blank) ______________.


14 posted on 03/30/2026 11:27:01 AM PDT by mass55th (“Courage is being scared to death, but saddling up anyway.” ― John Wayne)
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To: Eleutheria5

Q: How many shielded barrels would it take for 460 kg of 60% enriched uranium

AI Answer: Approximately 10 shielded barrels would be needed to safely store 460 kg of 60% enriched uranium, assuming a limit of 50 kg per container for criticality and shielding safety.


15 posted on 03/30/2026 11:42:26 AM PDT by PIF (They came for me and mine ... now its your turn)
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To: Georgia Girl 2

The secret of enriched Uranium is once you are at 3%, you are half way to 90% enriched.
60% is about 1 week away if you have centrifuges.
It is also VERY dangerous to transport at a 60% level.
Just a person walking by too closely can set off a criticality event.

My feeling is Space Force knows where it was moved to and are not telling ANYONE.


16 posted on 03/30/2026 12:21:47 PM PDT by Zathras
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To: Zathras

“The secret of enriched Uranium is once you are at 3%, you are half way to 90% enriched.”

That is with fixed initial input. However what is of importance is the amount of OUTPUT.

It takes about 5 SWU to get one kilogram at 3%.

It takes about 200 SWU to get one kilogram of weapons grade.


17 posted on 03/30/2026 12:46:27 PM PDT by TexasGator (/.)
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To: Zathras

Well 60% is 1-2 weeks but still, almost there. I think 20% is what they use for nuclear power.

I agree that if they moved it we likely know.


18 posted on 03/30/2026 12:46:42 PM PDT by Georgia Girl 2 (The only purpose of a pistol is to fight your way back to the rifle you should never have dropped)
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To: sauropod

.


19 posted on 03/30/2026 1:08:28 PM PDT by sauropod
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To: PIF

“Q: How many shielded barrels would it take for 460 kg of 60% enriched uranium

AI Answer: Approximately 10 shielded barrels would be needed to safely store 460 kg of 60% enriched uranium, assuming a limit of 50 kg per container for criticality and shielding safety.”

It is in the form of UF6 so that would be almost 700 kg. But still 50 barrels if you allow 75 kg. Of UF6 per barrel.

Each barrel would contain about four gallons of solid material.


20 posted on 03/30/2026 1:36:19 PM PDT by TexasGator (/.)
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