MOAB. America's most powerful non-nuclear bomb The military used a GBU-43 (pictured), which weighs a staggering 21,600 pounds, and has earned the moniker 'Mothe MOAB America's most powerful non-nuclear bomb The military used a GBU-43 (pictured) which weighs staggering 21 600 pounds and has earned the moniker 'Mothe