The price of invasion would be millions of American dead and wounded.Įstimates did not include Japanese casualties. Truman was afraid that an invasion of Japan would look like "Okinawa from one end of Japan to the other." Casualty predictions varied, but all were high. Casualties on Okinawa were 35 percent one out of three US participants was wounded or killed. Later that year, on Okinawa, 13,000 soldiers and sailors were killed. During the battle at Iwo Jima in 1945, 6,200 US soldiers died. They were likely to fight even more fiercely if the United States invaded their homeland. They had been willing to make great sacrifices to defend the smallest islands. However, experience showed that the Japanese did not easily surrender. The United States could launch a traditional ground invasion of the Japanese home islands. Option 1: Conventional Bombing of the Japanese Home Islands President Truman had four options: 1) continue conventional bombing of Japanese cities 2) invade Japan 3) demonstrate the bomb on an unpopulated island or, 4) drop the bomb on an inhabited Japanese city. “It is an awful responsibility that has come to us,” the president wrote. As president, it was Harry Truman’s decision if the weapon would be used with the goal to end the war.
It was created to destroy and kill on a massive scale. This was no theoretical research project. In mid-July, President Harry S Truman was notified of the successful test of the atomic bomb, what he called “the most terrible bomb in the history of the world.” Thousands of hours of research and development as well as billions of dollars had contributed to its production. How long would it be, however, before Japan surrendered? Japan was split between surrender or fighting to the end. Japan and the United States both knew it. Truman Library & Museumīy August, 1945, Japan had lost World War II. Aerial view of Hiroshima depicts the terrific destructive force of the atomic bomb