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How the US Used Its Bunker-Buster Bombs at Iranian Nuclear Sites

  • Over a recent weekend, fourteen GBU-57 Massive Ordnance Penetrator bombs were deployed by B-2 stealth bombers targeting Iran's underground nuclear sites at Fordow and Natanz.
  • The strikes followed over 15 years of US intelligence and weapons development after discovering the heavily fortified Fordow site, which Iran had tried to protect by covering ventilation shafts with concrete.
  • The massive 30,000-pound bombs were specially designed to burrow into hardened bunkers and detonate using a fuse programmed for blast and overpressure effects, as confirmed by General Dan Caine and Defense Secretary Pete Hegseth.
  • Pilots described the resulting explosions as the brightest they had ever seen, likening the light to daylight, while satellite images revealed six penetrations into the mountain above Fordow.
  • The Pentagon stated the operation succeeded as planned, heavily damaging Iran's nuclear facilities and signaling US forces remain ready to defend against further threats in the region.
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The U.S. Department of Defense has released for the first time recordings of an earlier test of the special bomb GBU-57. Developed to protect shelters and...

·Berlin, Germany
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The US president fights against any doubt about the success of the bombing of Fordo. The Pentagon therefore publishes so far secret details of the preparation. But Trump's team is still acting against critics in other ways.

·Dortmund, Germany
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Al Jazeera broke the news in Qatar on Thursday, June 26, 2025.
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