East Indians. The turning point in this War in the Pacific came in June, 1942, at the Battle of Midway. In a four day battle the U.S. destroyed hundreds of Japanese planes and regained control over the Pacific. Since, the Japanese fought on even after the war ended in Europe, Truman, the U.S. President decided to use the newly developed atomic bomb to end the war quickly and prevent more U.S. casualties. The first atomic bomb was dropped on Hiroshima, Japan on August 6, 1945, killing about 78,000 people and injuring 100,000 more. On August 9, a second bomb was dropped on Nagasaki, Japan, killing