A B-2 Spirit, the stealth jet that carries state-of-the-art bunker busters. REUTERS US intelligence has long agreed that taking out Fordow is key to disabling the Iranian nuclear program.

World News Inside Iran’s Fordow nuclear site – a fortress in the mountains Israel likely needs the US and ‘bunker buster’ bombs to topple By Ronny Reyes Published June 16, 2025, 6:31 p.m. ET ...

If the U.S. does drop a powerful "bunker buster" bomb on a suspected underground nuclear weapons site in Iran, experts in radiation hazards see little risk of widespread contamination.

Iran's most fortified nuclear facility, called Fordo, is buried deep inside a mountain. Only the U.S. has the 30,000-pound bombs — often referred to as "bunker busters" — capable of reaching it.