The U.S. dropped a bomb with an explosive force equal to 11 tons of TNT on a cave complex used by the Afghanistan branch of the Islamic State of Iraq and Syria (ISIS) on Thursday, the Pentagon said. The bomb is officially called a GBU-43 or Massive Ordnance Air Blast (MOAB), the origin of its nickname as the “mother of all bombs.” Weighing more than 21,000 lbs., the weapon is the largest non-nuclear bomb ever used in combat. The bomb was aimed at the center of an ISIS cave complex in Afghanistan, CBS News national security correspondent David Martin reports. The bomb set off a massive pressure cave that would have crushed the life out of any fighters hiding in the cave, and it sent a mushroom-like cloud into the sky, Martin reports. Read more http://www.msn.com/en-us/news/world...rking-weapons-first-use/ar-BBzOoMc?li=BBnb7Kz