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 ...

President Donald Trump claims Iran's nuclear sites were "totally obliterated," while Israeli officials report a portion of ...

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

The Israeli assessment also holds that Iran's stockpiles were spread across Isfahan, Fordo, and Natanz, and had not been ...

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 ...

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 ...

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

The US Air Force’s 30,000-pound GBU-57/B Massive Ordnance Penetrator (MOP) was used for the first time in operational strikes against Iranian nuclear facilities this past weekend, marking a ...

President Donald Trump is adamant that the U.S. strikes “obliterated” the three Iranian nuclear facilities it targeted last ...

Although the US has sold less powerful bunker buster weapons to Israel, it has declined to share the Massive Ordnance Penetrator with any of its allies. “I’ve seen 500-pounders, and they’ll ...

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.