The GBU-57A/B MOP (Massive Ordnance Penetrator) is a precision-guided, 30,000-pound (14,000 kg) "bunker buster" bomb used by the United States Air Force. [2] The GBU-57 (Guided Bomb Unit-57) is substantially larger than the deepest-penetrating bunker busters previously available, the 5,000-pound (2,300 kg) GBU-28 and GBU-37 .

Feb 6, 2025 · The U.S. Air Force quietly fixed a problem with the integration of the 30,000-pound class GBU-57/B Massive Ordnance Penetrator (MOP) bomb onto the B-2 Spirit stealth bomber last year.

The B-2 is the only U.S. Air Force aircraft capable of deploying the GBU-57 Massive Ordnance Penetrator (MOP), a 30,000-pound precision-guided "bunker buster."

America’s Most Dangerous Bomb May Have Just Seen its First Combat Use in Yemen: GBU-57 Built to Strike Deep Underground The GBU-57’s ability to penetrate some of the best hardened and most sensitive military sites across the world without crossing the nuclear threshold, thus giving the B-2 a particularly deep reach, makes them arguably the ...

The Massive Ordnance Penetrator (MOP) is a weapon system designed to accomplish a difficult, complicated mission of reaching and destroying our adversaries' weapons of mass destruction located in well protected facilities.

Jan 25, 2018 · 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...

The result was the GBU-57/B, a GPS-guided very heavy penetration bomb, which was first tested in 2007. Several production contracts were subsequently awarded to Boeing, while Northrop Grumman modified the USAF's B-2A bombers to be able to carry two of the bombs.

Nov 14, 2019 · The U.S. Air Force is continuing to update its stockpile of 30,000-pound class Massive Ordnance Penetrator bunker busters, or MOPs, and bring older MOPs up to the latest standard, also known as the GBU-57E/B.

May 3, 2023 · The B-2 Spirit stealth bombers of the 509th Bomb Wing based at Whiteman Air Force Base, Missouri, are the only aircraft in the U.S. Air Force inventory currently capable to operationally drop the...

May 4, 2023 · The MOP is the most powerful and deeply burrowing non-nuclear bunker buster on earth and is critical to taking out highly fortified targets buried under literal mountains, like those found in Iran, Russia, China, and North Korea. The weapon is guided and can impact the surface above its target with a high degree of accuracy.