Satellite imagery has identified three massive craters in a row at the Taleghan-2 facility, part of the Parchin military complex, which is linked to Iran’s nuclear weapons research.

The pattern of destruction suggests that B-2 bombers may have deployed 30,000-pound GBU-57 Massive Ordnance Penetrator (MOP) bombs to target reinforced underground structures, The Caspian Post reports via Clash Report.

However, the type of weapon used has not been officially confirmed.