MOAB: What is the Mother of All Bombs? If you love the outdoors, the word “Moab” might bring to mind a beautiful range of arches and canyonlands in the national parks of Utah. But in the U.S ...

The United States has dropped a GBU-43/B Massive Ordnance Air Blast (MOAB) bomb, otherwise known as the Mother of All Bombs, on an Islamic State stronghold in Afghanistans eastern Nangarhar province.

In its only previous live test, the MOAB was detonated at the same base on March 11, the week before the U.S.-led invasion of Iraq. There were two previous inert tests of the bomb, Swinson said.

WASHINGTON -- President Trump hailed the U.S. military after it dropped the "mother of all bombs," America's largest non-nuclear weapon, in Afghanistan on Thursday.

The GBU-43/B Massive Ordinance Air Blast bomb (MOAB) was dropped Thursday night on a network of fortified underground tunnels that ISIS had been using to stage attacks on government forces.

The U.S. Air Force dropped one of the bombs, officially designated as the GBU-43 Massive Ordnance Air Blast (MOAB) on suspected Islamic State fighters in eastern Afghanistan in April.