The Japanese had two seperate Atomic Programs in the Second World War, as all military programs were divided there one was an Army one and a Navy Program. The Army program was destroyed durring the Firebombing of Japan, it was still stuck trying to find a way to seperate the Uranium. The Navy program though... Was based in Korea and had much more aid invested in it. Infact they got to the level that according to some sources they detonated a test explosion (About 2 Kilotons) in Modern North Korea on August 12th 1945, two days before the surrender. They were THAT close! What if they had started there program a year earlier, or if the Navy and Army had been able to set aside there differences and the Bomb had been ready in August 1945. Japan wouldnt surrender if they had a few Bombs... What could a Japanese Bomb in '45 do?