The heavyweight explosive is known as a GBU-57A/B Massive Ordnance Penetrator and was designed by Boeing for the United States Air Force.

In the event the United States enters the escalating conflict between Israel and Iran, a likely focus will be on degrading or ...

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

The 30,000-pound Massive Ordnance Penetrator is considered by analysts to be the best shot at getting through to targets ...

The GBU-57s, or the Massive Ordnance Penetrator (MOP for short), were carried by a fleet of B-2 bombers, marking the first time the munitions were used in combat.

Find Massive Ordnance Penetrator Latest News, Videos & Pictures on Massive Ordnance Penetrator and see latest updates, news, information from NDTV.COM. Explore more on Massive Ordnance Penetrator.

President Donald Trump announced June 21 that American warplanes dropped bombs on three nuclear sites, one of them deep ...

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

The GBU-57 Massive Ordance Penetrator is a weapon only the US can deploy – but it may have unintended consequences.

American military engineers designed the GBU-57/B bomb to devastate deeply buried bunkers without radioactive fallout. It’s the only nonnuclear weapon that can reach Iran’s hardest target ...

As the war between Israel and Iran escalates, a single U.S. weapon keeps getting mentioned—sometimes quietly, sometimes not so quietly.