WORLDS LARGEST Non Nuclear Bomb GBU-43 B Massive Ordnance Air Blast

Mother of all bombs GBU-43 B Massive Ordnance Air Blast. U.S. on dropped the most powerful conventional bomb in its arsenal on Nangarhar, Afghanistan. The bomb, known in military ranks as “MOAB,” or the “mother of all bombs,” was used Thursday for the first time in combat, though it was developed in the early 2000s.