The Massive Ordnance Penetrator may struggle to wipe out the deepest nuclear facilities

Its default is to defy aggressors, not to capitulate

If it fails the regime could make a frantic dash for a bomb

If it fails the regime could make a frantic dash for a bomb

Experts believe only Washington has the weapons capable of halting Iran’s nuclear programme

The Massive Ordnance Penetrator may struggle to wipe out the deepest nuclear facilities

The Massive Ordnance Penetrator may struggle to wipe out the deepest nuclear facilities

Iran's most fortified nuclear facility, called Fordo, is buried deep inside a mountain. Only the U.S. has the 30,000-pound bombs — often referred to as "bunker busters" — capable…

Much hinges on the stubborn supreme leader and America’s mercurial president