Tehran, Iran – Web Desk: Iranian Foreign Minister Abbas Araqchi revealed that several bombs used during U.S. attacks on Iran’s nuclear facilities in June 2025 failed to detonate. These unexploded munitions remain inside the targeted nuclear sites, posing serious safety and security risks for inspectors.
Araqchi emphasized that inspections of these sensitive sites cannot proceed until all security, safety, and access protocols are agreed upon. The announcement highlights ongoing tensions over access to Iran’s nuclear infrastructure, which includes key facilities in Fordow, Natanz, and Isfahan—centers of uranium enrichment and nuclear technology programs.
The attacks, carried out by U.S. B-2 strategic bombers, involved massive GBU-57 Massive Ordnance Penetrator bombs, each weighing approximately 13,600 kilograms. Designed to penetrate reinforced concrete and rock layers before detonating, these bunker-buster bombs targeted Iran’s nuclear program infrastructure. Tomahawk cruise missiles were also reportedly used against secondary targets connected to the nuclear program.
Experts note that if the unexploded bombs include GBU-57s and are later recovered or rendered safe, Iran could gain significant technical insights into one of the most advanced bunker-buster weapons in the U.S. arsenal. Inspections could allow Iran to study the bomb casing thickness, metallic composition, and overall design—factors that enable the weapon to reach subterranean targets without detonation.
Moreover, if the bomb’s internal systems remain intact, Iran could potentially examine its electronics, power mechanisms, and navigation sensors, giving critical information about the weapon’s operational and guidance technologies. This revelation underscores the continuing strategic and technical stakes surrounding Iran’s nuclear facilities, U.S. military capabilities, and regional security concerns.
