LeMay, commander of the XXI Bomber Command, part of the Twentieth Air Force, consequently ordered the dropping of leaflets hoping to reduce the needless killing of innocent people. One of the leaflets dropped on targeted Japan's cities, with the text on the back, read: Read this carefully as it may save your life or the life of a relative or a friend. In the next few days, some or all of the cities named on the reverse side will be destroyed by American bombs. These cities contain military installations and workshops or factories, which produce military goods. We are determined to destroy all of the tools of the military clique that they are using to prolong this useless war. Unfortunately, bombs have no eyes. So, in accordance with America's well-known humanitarian policies, the American Air Force, which does not wish to injure innocent people, now gives you warning to evacuate the cities named and save your lives. America is not fighting the Japanese people but is fighting the military clique, which has enslaved the Japanese people. The peace, which America will bring, will free the people from the oppression of the Japanese military clique and mean the emergence of a new and better Japan. You can restore peace by demanding new and better leaders who will end the War. We cannot promise that only these cities will be among those attacked, but some or all of them will be, so heed this warning and evacuate these cities immediately. The purpose of this leaflet is to emphasize that the war responsibility is not Japanese citizens but Japanese military commanders, and to emphasize America's Humanitarianism. On the other hand, although the leaflet says "we are not going to hurt normal citizens", the leaflet which mentioned or warned Hiroshima and Nagasaki before US dropped atomic bomb was not found. It has been estimated that B-29s dropped 10 million propaganda leaflets in May, 20 million in June and 30 million in July. A surrender pass was regarded as the most important and the most difficult propaganda. A surrender pass is which guarantees the safety of soldiers who surrender. In the surrender pass, it was written that if soldiers keep the leaflet and prove surrender, the US side will not treat them terribly. However, there was a difficulty. The Japanese military's commanders directed soldiers to commit suicide if they become prisoners of war. The Japanese