But beneath the hype, the Pentagon must deal with a sobering fact: the United States currently has only approximately six GBU-57s remaining, and their actual viability for penetrating the world ...

Caine, the nation’s top military officer, offered new details about the work that went into building the “bunker-buster” bombs and how the U.S. used them to burrow into the Iranian sites.

In response, the U.S. crafted an attack plan where six bunker-buster bombs would be used against each ventilation route, using the main shaft as a way down into the enrichment facility.

The United States military did not use the "bunker-buster" bombs on Iran's Isfahan nuclear facility during last week's Operation Midnight Hammer, chairman joint chiefs of staff, General Dan Caine ...

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.

UNITED STATES NEWS How the US used its bunker-buster bombs at Iranian nuclear sites Jun 26, 2025, 12:49 PM ...