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 ...

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

The US Massive Ordnance Penetrator (“MOP”), weighing in at 30,000 pounds, was designed to destroy weapons of mass destruction buried in mountains or deep below the earth’s surface. The MOP is so heavy ...

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

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

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 ...

Massive Ordnance Penetrator bomb In this photo released by the U.S. Air Force on May 2, 2023, airmen look at a GBU-57, or the Massive Ordnance Penetrator bomb, at Whiteman Air Base in Missouri.

The Pentagon released jaw-dropping footage showcasing how the 30,000-pound heavy-duty bunker-buster bombs that were used ...

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 ...

As President Donald Trump is warming to the idea of using US military assets to strike Iranian nuclear facilities, officials ...

Known officially as the Massive Ordnance Penetrator (MOP), the GBU-57 was designed to attack hardened concrete buildings, particularly those underground. The bomb is 20.5 feet long with a diameter ...

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.