A-Bomb
Code named Little Boy, The same type of atomic bomb dropped on Hiroshima at 8:15 Aug 5th in 1945. Detonated at 1850 ft population 340,000. 68,000 of 90,000 buildings were destroyed 70,000 were killed by the bomb, 70,000 seriously injured. Explosive force equivalent to 20,000 tons of TNT.