The US just dropped a 21,000-pound bomb on an ISIS target in a remote area of northeast Afghanistan, according to CNN's Barbara Starr and confirmed by the Pentagon.The Massive Ordnance Air Blast Bomb (MOAB) was dropped in Afghanistan's remote Nangarhar province near Pakistan's border at 7 PM local time, the Pentagon confirmed Thursday afternoon.It's the first time a MOAB (nicknamed "the mother of all bombs") has been used in a battlefield setting since its creation.The MOAB was first developed during the Iraq War and is the US's most powerful non-nuclear bomb. It is a "concussive bomb" meaning it detonates above ground rather than penetrating hardened defenses. The target was an ISIS tunnel complex in Nangarhar province, military sources told CNN.Continue reading on VICE News.