Israel's best chance at destroying the facility at Fordo could lie with a U.S.-produced bomb that's so heavy that it can only ...

The International Atomic Energy Agency (IAEA), the intergovernmental body that assesses compliance with the Nuclear Nonproliferation Treaty, was barred from going within about 40 miles of the affected ...

The U.S. bombers that attacked Iran's nuclear sites dropped GBU-57 Massive Ordnance Penetrators, bunker-busting bombs designed to destroy hardened underground targets, for the first time in warfare. A ...

Trump confirmed the U.S. used bunker buster bombs to strike Iran’s Fordow site, alongside missile attacks on Natanz and ...

The U.S. Air Force has just taken delivery of the first GBU-57A/B (Massive Ordnance Penetrator). It weighs 30,000 lb and will penetrate 200 ft of hardened concrete BEFORE it goes off. If you are ...

A 15-ton “bunker buster” bomb was likely needed to destroy the last untouched nuclear facility in Iran, and only the US had one.

The US Air Force says the GBU-57 bunker-buster bomb can penetrate up to 200 feet below ground before exploding.

Bunker buster bombs are not battlefield munitions. They serve a very specific purpose, with potential returns far outpacing the monetary cost.

Seven B-2 stealth aircraft dropped a total of 14 GBU-57 bunker-buster bombs on Iranian nuclear sites last weekend.

The "massive ordnance penetrator," or MOP bomb, will be the largest conventional bomb in the U.S. arsenal. It is now undergoing testing and is slated to come on line by mid-2010.

The Massive Ordnance Penetrator bomb is designed to penetrate underground bunkers and buildings.

The new B-21 Raider has been designed to employ the Massive Ordnance Penetrator, as well as the Next Generation Penetrator munition, which is intended to replace the large MOP.