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The Institute has obtained high-resolution satellite imagery of Natanz taken at 11:06 AM local time after the strikes were carried out by Israel.  The imagery shows damage and destruction to several buildings around the complex, most notably the Pilot Fuel Enrichment Plant

NEW: Post-Attack Analysis of Israel’s June 12/13 Military Attack on Iran’s Nuclear Program Here is the Institute’s full analysis of Israel's June 12/13 first day attack on Iran's nuclear program.  The attack caused a large amount of damage to the Natanz nuclear complex,

IAEA Director General Rafael Mariano Grossi reports possible damage to the main Natanz underground enrichment site too at UNSC meeting: “There is no indication of a physical attack on the underground cascade hall containing part of the Pilot Fuel Enrichment Plant and the main Fuel

Israel is also degrading Iran’s ability to make the nuclear weapon itself, lengthening the amount of time Iran would need to finish a nuclear weapon. This graphic is a crude attempt to show where Iran’s capabilities have so far been degraded or complicated by Israel. Later, we

If Fordow and 60% Stock Survive Performing a worst-case breakout assessment results in Iran being able at Fordow to produce enough WGU for 9 nuclear weapons by the end of the first month, 13 by the end of the second month and 15 nuclear weapons by the end of the fifth month.

Mark is pointing out an important aspect of Israel’s offensive to make sure Iran cannot build nuclear weapons.

DG Grossi outlined damage to four buildings at Esfahan site. One was a building under construction that had an operating line for the conversion of enriched uranium (EU) tetrafluoride to enriched uranium metal. Earlier, Iran tested the site with 20% EU, which suitably stands in

In analyzing June 14th imagery on Natanz, I found a small crater above the main hall of the underground enrichment plant (see blowup image below). This corresponds to one of the craters identified by Geoff Brumfiel today that is being filled in (see his image below of area above

Israel attacked four buildings at Esfahan nuclear site on June 13th. A June 14th image shows the damage to these four buildings. The targets included a uranium metal conversion line suitable to process highly enriched uranium, possibly stocks of 5%, 20%, and 60% enriched

Iran: Based on continued analysis of high resolution satellite imagery collected after Friday’s attacks, the IAEA has identified additional elements that indicate direct impacts on the underground enrichment halls at Natanz. No change to report at Esfahan and Fordow.

Since our last report on the Israeli bombing of Natanz and the destruction of the electrical service infrastructure, we continued our analysis of high-resolution imagery, concluding that there may have been at least three explosive impacts in the area above the buried uranium

While enrichment facilities often receive the most media coverage, Israel is carrying out a concerted campaign to lengthen the time Iran would need to build the nuclear weapon itself. To help accomplish this goal, Israel is targeting the SPND, the military organization that

As we await a damage assessment of last night’s US attack, we want to report that Israel’s bombing of Esfahan on the previous night of June 20/21 also further damaged buildings attacked earlier. The Reactor Fuel Manufacturing building is more severely damaged (only partially

Reportedly, US attacked the Esfahan tunnel complex, trying to damage any enriched uranium stocks and any sensitive equipment stored there. No post-attack imagery yet, but below is an image from one of our earlier studies that shows the location of the three tunnel entrances

Per post-attack imagery of the Fordow enrichment plant released by Maxar, it appears the likely penetration point was indeed the probable ventilation shaft, which is visible in a facility schematic included in Iran's Nuclear Archive.  Satellite imagery dating back to 2009 shows

We are currently assessing the damage caused by American strikes on the Natanz Nuclear Complex and Esfahan Nuclear Complex. We can report a large amount of damage to the Esfahan Nuclear Complex, most notably the Uranium Conversion Facility was severely damaged by tomahawk

At the Esfahan (Isfahan) nuclear complex, it appears that Iran began backfilling the tunnel entrances to the underground facility. High resolution satellite imagery from June 20, 2025, shows trucks backfilling the tunnel entrances with soil. Backfilling the entrances could

Here is our assessment of the US strike on the Esfahan Nuclear Complex. The site is heavily damaged. A significant finding is that the main uranium conversion facility that converts natural uranium into uranium hexafluoride was severely damaged. Uranium hexafluoride is the

We have high-resolution satellite imagery of the Fordow Fuel Enrichment Plant (FFEP). The imagery shows six penetration holes from GBU-57's. This set of holes are near the ventilation shaft of the underground complex, enabling an easier pathway for the MOPS to the deeply buried