<br /> <p>This file footage shows the GBU-43 MOAB (Massive Ordnance Air Blast), known by the nickname “mother of all bombs,” tested at Eglin Air Force Base near Pensacola, Florida, in 2003.</p><p>US forces dropped this bomb on suspected Islamic State caves in Afghanistan’s Nangarhar province on Thursday, April 13, according to a statement from US Central Command</a>.</p><br />
