? MORE INFO: The US used six B-2 bombers to drop a dozen �bunker buster� bombs on the Fordow nuclear site in Iran, a US official told CNN.
Navy submarines fired 30 TLAM cruise missiles at two other sites, Natanz and Isfahan, and a B2 dropped two bunker busters on Natanz, the official said.
�Bunker buster�: The GBU-57A/B Massive Ordnance Penetrator (MOP) bomb, known as a �bunker buster,� is a 30,000-pound bomb with 6,000 pounds of explosives.
The MOP was designed for �reaching and destroying our adversaries� weapons of mass destruction located in well-protected facilities,� according to a fact sheet from the US Air Force.
