The first bomb would be dropped at a 45-degree angle to maximize penetration. The second bomb would immediately follow.

President Trump says he’s considering attacking Iran’s underground nuclear site. Here’s what that might look like.

Deep under a mountain, just a short distance from the Shiite holy city of Qom, Iran's Fordow nuclear facility is in operation.

As Israel's confrontation with Iran escalates, the American-made GBU-57 'bunker buster' bomb has drawn renewed attention as ...

A U.S. attack on Iran's key underground nuclear facility would not be a guaranteed success, according to a national security ...

Iran's most fortified nuclear facility, called Fordo, is buried deep inside a mountain. Only the U.S. has the 30,000-pound ...

If Trump bombs Iran's Fordo nuclear enrichment site, the main risk would be from the Massive Ordnance Penetrator bomb itself rather than radiation or chemicals.

The Trump administration is not ruling out using tactical nuclear weapons on Iran’s Fordow nuclear facility, but officials ...

President Trump has been briefed on both the risks and the benefits of bombing Fordo, Iran's most secure nuclear site.

The bomb that Shaheen was referring to is the GBU-57 Massive Ordnance Penetrator, known as a MOP. It is designed to attack ...