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 .

2 days ago · GBU-57 MOP. The GBU-57 Massive Ordnance Penetrator (MOP) is a 30,000-lb (14,000 kg), 20-foot long GPS-guided bomb said to be able to penetrate 200 feet of concrete before exploding. The weapon is ...

May 3, 2023 · These photos are particularly interesting as they show a “Live” GBU-57: as opposed to the blue one, the yellow band around the nose is used to identify bombs with high-explosive filler ...

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...

2 days ago · U.S. Air Force B-2 stealth bombers have not dropped any GBU-57/B Massive Ordnance Penetrator (MOP) bunker buster bombs on Yemen’s Houthis since the Trump administration launched a renewed aerial campaign against them, two U.S. officials have told TWZ.Reports in the past day or so had said that MOPs, America’s largest conventional bomb, …

Jan 25, 2018 · Also known as the Massive Ordnance Penetrator, the GBU-57 has just completed its fourth upgrade, and its inventory is being retrofitted, Air Force officials told Bloomberg.

Feb 6, 2025 · A new "smart fuze" for the GBU-57/B Massive Ordnance Penetrator has been tested and an issue tied to the B-2 stealth bomber has been fixed.

May 4, 2023 · New images released by the U.S. Air Force provide what appears to be our best look yet at a live example of the service’s 30,000-pound class GBU-57/B Massive Ordnance Penetrator bunker buster, or MOP.

Apr 16, 2019 · Once released from the bat-winged bomber, the MOP is guided to targets by GPS and a pair of stubby fins. It was designed to attack deeply buried bunkers and tunnels and carries 5,300 pounds of explosives. GBU-57 was first tested in 2009. The modification provides for sustainment work.

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." This powerful bomb can penetrate...