In the wake of the recent U.S. airstrikes against Iran’s nuclear facilities, concerns about the country’s nuclear program have intensified. While former President Trump declared that Iran’s nuclear capabilities were “completely and totally destroyed,” U.S. officials are now admitting that they are unsure about the whereabouts of a crucial component: a 400-kilogram stockpile of highly enriched uranium . This situation has raised alarms regarding the potential for a covert or latent nuclear program.
A Hidden Bombshell
The strikes targeted key Iranian nuclear installations, including Fordow , Natanz , and Isfahan , focusing not only on visible damage but also on a critical element: the 400 kg of uranium enriched to 60% —close to military grade. The uncertainty surrounding its current location is alarming, and intelligence agencies are left to speculate whether the material was destroyed, moved, or hidden in secret facilities.
The Shadow of Fordow
According to Richard Nephew, a former U.S. official, although the visible facilities have been damaged, the most sensitive materials may have remained untouched—stored as powder within metal cylinders housed in deeply excavated tunnels . Fordow, being located beneath a mountain, provides a level of protection that may have allowed Iran to retain its vital nuclear components.
There are rising suspicions that Iran moved its uranium stockpile prior to the airstrikes. An informant revealed that it would have been “very naive” to leave the uranium in the targeted sites. The Director of the International Atomic Energy Agency (IAEA), Rafael Grossi, acknowledged after analyzing satellite images and logistical movements that Iran likely evacuated the uranium just days before the offensive.
Silent Withdrawal
Reports indicate that Iran shifted part of its uranium stock from Isfahan, its main storage site, to undisclosed locations. While it was impossible to relocate the centrifuges due to their size, the fuel was mobile enough to be transported discreetly. Satellite images showed at least 16 trucks near Fordow shortly before the attack, corroborating the theory of a preemptive evacuation.
Between Deterrence and Covert Activity
Despite asserting that its nuclear program serves civilian purposes , the partial destruction of its infrastructure and targeted assassinations of nuclear scientists have led to calls within Iran to revisit its nuclear doctrine. Analysts fear that the recent military strikes might prompt a shift toward clandestine operations , possibly involving new, more advanced centrifuges and renewed activity in unreported facilities.
Regarding those 408 kg of uranium at 60% , it is theoretically possible for Iran to refine it to the necessary 90% purity for nuclear weapons relatively quickly if they have the required technology. However, the processes of miniaturization and assembly could take additional months or even years.
Historical Precedents
Cases of countries like India , Pakistan , and North Korea illustrate that even under international scrutiny, a country can develop hidden nuclear capabilities . Sima Shine, a former intelligence analyst for the Mossad , expressed her belief that Iran has already reallocated both its enriched uranium and part of its technical infrastructure, enabling rapid rearmament should the political landscape change. Despite the military strike, the scientific expertise and industrial experience remain intact.
Collapse of International Oversight
As noted earlier, inspections by the IAEA have been suspended due to the Israeli attacks, creating a critical gap in monitoring Iran’s nuclear program. Even before the offensive, cooperation between Iran and the agency had significantly diminished , and Tehran had covertly established a third undeclared enrichment facility . Israel managed to inflict damage on Natanz and Isfahan but acknowledged its limitations in targeting Fordow without U.S. support.
The Big Question
With the current developments, it remains uncertain whether we are witnessing an end phase or merely a transition . Analysts are beginning to agree that the Iranian nuclear program is not obliterated, but rather, its form has evolved. If it persists, it could either morph into a covert program aimed at weapons production or, with successful negotiations, become a purely civilian initiative devoid of complete fuel cycle capabilities.
Ali Shamkhani, an advisor, chillingly summarized the situation: “Even if the installations are destroyed, the game is not over.” The capabilities , the material , and the resolve still exist. Thus, it is likely that the outcome will not hinge on the visible craters but rather on the hidden dust stored somewhere underground in Iran.
Until the location of that uranium is clarified, the enigma only becomes more complex and challenging to address.