Much of the world learned of the existence of so-called "bunker busters" when the United States bombed targets in Iran in June 2025. Yet this type of ordnance has actually been around since World War ...

The US Air Force has awarded a contract for the design of a next-generation bunker-buster bomb. The bomb will eventually replace the 30,000-pound GBU-57 Massive Ordnance Penetrator, or MOP. The MOP ...

Did America just bounce a 30,000-pound bunker buster off a mountain? In this explosive episode, I unpack the Pentagon’s ...

Israel's attack on Iran aimed at destroying its nuclear program has raised speculation about whether the U.S. would use one of America's most powerful weapons to make that happen. The Israeli ...

The U.S. bombers that attacked Iran's nuclear sites dropped GBU-57 Massive Ordnance Penetrators, bunker-busting bombs ...

Airmen look at a GBU-57, or the Massive Ordnance Penetrator bomb, at Whiteman Air Base in Missouri, 2023. (U.S. Air Force via AP) The U.S. Air Force last week awarded defense firm Applied Research ...

The US is preparing to authorize giving Israel B-2 stealth bombers and 30,000-pound, 20-foot-long “bunker buster” bombs if Iran resumes its nuclear weapons program, under a new bill proposed by a ...

WASHINGTON — After the United States dropped 14 “bunker buster” bombs on two nuclear sites in Iran, Anh Duong looked up the weapon’s technical details and felt a rush of familiarity. Duong, 65, is a ...

A GBU-57, or the Massive Ordnance Penetrator bomb, at Whiteman Air Base in Missouri, In a photo released by the U.S. Air Force. (U.S. Air Force/AP) The U.S. bombers that attacked Iran's nuclear sites ...