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Trump Claims Iran Nuclear Sites ‘Totally Destroyed’—But That Clashes With Vance And Experts

By Ty Roush, Forbes Staff. https://www.forbes.com/sites/tylerroush/2025/06/23/did-the-us-destroy-irans-uranium-supply-or-not-vance-experts-clash-with-trumps-claims/

President Donald Trump on Monday said U.S. strikes “totally destroyed” nuclear facilities in Iran and criticized “sleazebags” in the media for suggesting otherwise—but comments from Vice President JD Vance, military officials and nuclear watchdogs all suggest the damage to Iran’s nuclear program remains unconfirmed.

Key Facts

“The sites we hit in Iran were totally destroyed, and everyone knows it,” Trump wrote on Truth Social, disputing “Fake News” he claims “would say anything different in order to try and demean, as much as possible—and even they say they were ‘pretty well destroyed!’”

White House press secretary Karoline Leavitt told ABC on Monday the U.S. is “confident” Iran’s nuclear program was “completely and totally obliterated,” noting there is a “high degree of confidence” the locations the U.S. strikes took place is where Iran stored its enriched uranium and that Iran “no longer [has] the capability … to threaten the world.”

International Atomic Energy Agency chief Rafael Grossi appeared to dispute Trump’s claims in a statement earlier Monday by suggesting the agency would need to verify damage to Iran’s underground Fordow facility, including whether the site’s uranium enrichment halls were impacted, though he noted the U.S. strikes likely caused “very significant” damage.

On Sunday, Defense Secretary Pete Hegseth and Chairman of the Joint Chiefs of Staff Gen. Dan Caine said an assessment on damage to Iran’s nuclear sites was “still pending,” and Caine claimed it was “way too early for me to comment on what may or may not still be there.”

Vance, in an interview with ABC on Sunday, suggested the U.S. strikes only set back Iran’s potential to weaponize its uranium stockpile and said the U.S. was “going to work in the coming weeks to ensure that we do something with that fuel.”

Jeffrey Lewis, a professor of nonproliferation at the Middlebury Institute of International Studies at Monterey, wrote on X he was “unimpressed” by the U.S. strikes while citing satellite images of the attacks, claiming the U.S. “failed to target significant elements of Iran’s nuclear materials and production infrastructure.”

How Large Is Iran’s Uranium Stockpile?

Iran stored about 400 kilograms (about 881 pounds) of uranium enriched to 60%, near weapons-grade enrichment of 90%, according to Grossi. It’s unclear whether Iran’s uranium stockpile is still this large, Grossi noted, adding IAEA’s inspectors last verified Iran’s stockpile a “few days” before Iran’s conflict with Israel began earlier this month.

Could Iran Rebuild Its Uranium Stockpile?

It’s possible Iran could rebuild its nuclear program, but a timeline for development would depend on how much damage was done to Iran’s nuclear sites, according to the Centers for Strategic and International Studies, a U.S.-based think tank. Recent U.S. strikes would make Iran “more motivated than ever” to obtain nuclear weapons, Rosemary Kelanic, a director at the U.S.-based think tank Defense Priorities, told the New York Times. Some American officials estimated an attack on Fordow set back Iran’s nuclear program by as much as five years, the Times reported.

June 25, 2025 - Posted by Christina Macpherson | Iran, USA, weapons and war