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Saturday, June 28, 2025
US didn’t use MOP bunker buster on Isfahan nuclear site because facility was too deep — report

This handout satellite picture, provided by Maxar Technologies and taken on June 22, 2025, shows damage after US strikes on the Isfahan nuclear enrichment facility in central Iran. (Satellite image ©2025 Maxar Technologies / AFP)
The US did not drop the Massive Ordinance Penetrator bunker buster bomb on the Isfahan nuclear site because it was so deep underground that it would have likely not been effective, CNN reports, citing comments made by a top US general to senators Thursday.
The CNN report cites three people who heard the comments made by Joint Chiefs of Staff Chairman Gen. Dan Caine and a fourth who was briefed on the remarks.
During its strikes on Iranian nuclear facilities last weekend, the US instead used Tomahawk missiles fired from a submarine to hit the site, where US officials believe 60 percent of Iran’s enriched uranium stockpile is stored.
The MOP bunker busters were used on the sites in Fordo and Natanz.
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