How badly have US strikes damaged Iran’s nuclear facilities? Here’s what to know




NCS
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Warplanes. Submarines. Cruise missiles. Bombs that weigh 30,000 kilos.

After initially favoring diplomacy, US President Donald Trump resorted to a unprecedented use of power towards Iran on Saturday evening, placing three of the regime’s key nuclear websites.

Trump claimed Iran’s nuclear services had been “obliterated,” however some Iranian officers downplayed the impression of the strikes – simply as they did when Israel first struck Iran’s services on June 13.

With satellite tv for pc imagery of the in a single day strikes starting to emerge, right here’s what we know in regards to the harm the US inflicted on Iran’s nuclear program.

Fordow is Iran’s most vital nuclear enrichment facility, buried deep inside a mountain to guard it from assaults.

The fundamental halls are believed to be some 80 to 90 meters (262 to 295 ft) beneath floor. Analysts have lengthy stated that the US is the one navy on the earth with the type of bomb required to burrow that deeply – the large, 30,000-pound GBU-57.

The US used six B-2 bombers to drop 12 of these “bunker-busting” bombs on the location, a US official advised NCS.

A NCS evaluation of satellite tv for pc imagery confirmed that the US strikes left no less than six giant craters on the Fordow web site, pointing to using bunker-busting bombs.

The pictures, captured by Maxar, confirmed six separate impression craters in two close by areas at Fordow. The craters are seen alongside a ridge operating over the underground complicated.

Rafael Grossi, the pinnacle of the International Atomic Energy Agency (IAEA), the United Nations’ nuclear watchdog, advised NCS that there had been a “direct kinetic impact” on Fordow, however that it was too quickly to choose whether or not it had triggered inner harm to the underground web site.

“Of course, one cannot exclude (the possibility) that there is significant damage there,” he stated.

A day later, in a press release to the IAEA’s board of governors, Grossi’s language sharpened.

“Given the explosive payload utilized, and the extreme(ly) vibration-sensitive nature of centrifuges, very significant damage is expected to have occurred,” Grossi stated Monday.

This satellite image provided by Maxar Technologies shows the Fordo enrichment facility in Iran before U.S. strikes, Friday, June 20, 2025.
02_after airstrikes_overview of fordow underground complex_iran_22jun2025_ge1.jpg

This satellite tv for pc picture supplied by Maxar Technologies exhibits the Fordow enrichment facility in Iran earlier than and after US strikes. Editors’ be aware: Satellite photograph above was rotated by Maxar Technologies, the supply of the picture, to present the unique orientation of the second the picture was taken.
Maxar Technologies

David Albright, president of the Institute for Science and International Security (ISIS), advised NCS that the satellite tv for pc imagery instructed “a considerable amount of damage could have been done to the enrichment hall and adjacent halls that provide support to enrichment.”

“Total destruction of the underground hall is quite possible,” Albright stated, whereas stressing {that a} full evaluation of the harm will take time.

N.R. Jenzen-Jones, a munitions specialist and director of the analysis firm Armament Research Services (ARES), concurred that there are no less than six entry factors in Fordow following the US strikes.

“The larger, central entry holes in the two groupings have irregular shapes and suggest multiple munitions struck the same precise location,” Jenzen-Jones advised NCS.

“This is consistent with the theory of an attack on such a deeply buried target as the Fordow site, which would require multiple precisely delivered, and carefully calibrated, penetrating munitions to essentially ‘smash’ and blast their way through to the deeper, more protected areas of the site,” he added.

Satellite imagery additionally confirmed important modifications to the colour of the mountainside the place the ability is housed, indicating an unlimited space was lined with a layer of gray ash within the aftermath of the strikes.

A NCS evaluation of images collected earlier than the US strikes instructed Iran had taken steps to reinforce the entrances to the tunnels believed to lead into the underground facility, doubtless in anticipation of a coming strike. That imagery confirmed dust piled up in entrance of no less than two of the six entrances.

Although Iran’s overseas minister stated the US had crossed a “very big red line,” different Iranian leaders downplayed the strikes’ impression. Manan Raeisi, a lawmaker representing town of Qom, close to Fordow, stated the harm from the assault was “quite superficial.”

But Albright, of the ISIS, advised NCS that preliminary stories from Iran “should be dismissed.” He stated that, throughout earlier rounds of strikes on Iran’s nuclear services, Tehran has soft-pedaled their impression, just for satellite tv for pc imagery to inform a really completely different story.

Natanz is the location of Iran’s largest nuclear enrichment middle and was focused in Israel’s preliminary assault on Iran on June 13. The web site has six above-ground buildings and three underground constructions, which home centrifuges – a key expertise in nuclear enrichment, turning uranium into nuclear gasoline.

The above-ground services have been damaged in Israel’s preliminary assault. The IAEA stated the strikes damaged electrical infrastructure on the plant.

Although it isn’t clear if Israel’s strikes triggered direct harm to the underground services, the IAEA stated the lack of energy to the underground cascade corridor “may have damaged the centrifuges there.”

A satellite image shows two craters above underground halls at the Natanz Nuclear Facility after the site was bombed by the United States on June 22.

The US additionally focused Natanz in its Saturday evening operation. A US official stated a B-2 bomber had dropped two bunker-busting bombs on the location. US Navy submarines additionally fired 30 TLAM cruise missiles at Natanz and Isfahan, the third Iranian web site focused by the US.

A NCS evaluation of satellite tv for pc imagery confirmed two new craters had emerged on the web site, doubtless attributable to the bunker-busting bombs. The craters – one with a diameter of round 5.5 meters, the opposite round 3.2 meters, in accordance to the Maxar pictures – sit straight above elements of the complicated positioned underground.

The extent of the underground harm on the web site is unclear presently.

Isfahan, in central Iran, is residence to the nation’s largest nuclear analysis complicated.

The facility was constructed with help from China and opened in 1984, in accordance to the nonprofit Nuclear Threat Initiative (NTI). Some 3,000 scientists are employed at Isfahan, NTI says, and the location is “suspected of being the center” of Iran’s nuclear program.

Following the US strikes, no less than 18 destroyed or partially destroyed constructions may very well be seen in satellite tv for pc imagery, a NCS evaluation discovered. The web site was visibly blackened by the diploma of rubble thrown up by the strikes.

This satellite image shows the Isfahan nuclear technology center on June 16, 2025.
This satellite image shows the Isfahan nuclear technology center on June 22, 2025.

These satellite tv for pc pictures present the Isfahan nuclear expertise middle earlier than and after US strikes.
Maxar Technologies

Albright stated preliminary stories instructed that the US additionally struck tunnel complexes close to the Isfahan web site, “where they typically store enriched uranium.”

If confirmed, Albright stated this might present that the US was making an attempt to take out Iran’s shares of uranium that had been enriched to 20% and 60%. Weapons-grade uranium is enriched to 90%.

An evaluation printed later Sunday by the Institute for Science and International Security stated that Isfahan had been “heavily damaged.”

The complicated’s fundamental uranium conversion facility, which converts pure uranium into the type of uranium entered into fuel centrifuges, was “severely damaged,” the institute stated in its evaluation.

A satellite image taken by Airbus shows tunnel entrances at the Isfahan Nuclear Complex prior to strikes on the facility by the United States.
A satellite image taken by Airbus shows apparent damage to tunnel entrances at the Isfahan Nuclear Complex following strikes on the facility by the United States.

Tunnel entrances main into the underground complicated have been additionally noticed to be damaged, with no less than three of the 4 tunnel entrances having collapsed.

The institute stated that it has seen satellite tv for pc pictures from Friday exhibiting the tunnel entrances being backfilled with soil.

“This is likely a precautionary measure to contain an explosion or prevent the dispersion of hazardous material from exiting the facility,” it stated.

NCS couldn’t independently confirm stories that tunnel complexes close to the Isfahan web site have been focused.

At a Pentagon information convention Sunday, Gen. Dan Caine, US Chairman of the Joint Chiefs of Staff, stated a US submarine had “launched more than a dozen Tomahawk land attack cruise missiles against key surface infrastructure targets” on the Isfahan web site.

NCS’s Isaac Ye, Avery Schmitz, Haley Britzky, Kristen Holmes and Catherine Nicholls contributed reporting.



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