April 2, 1945 (, Yiyou February 20,), the U.S. military began a large-scale bombing of the Japanese mainland. late

the Second World War, in order to finally destroy Japan's economic strength and the collapse of Japan's morale, the United States stepped up the strategy of the Japanese mainland bombing.
1945 years from the date of the U.S. 2, 13, 15, 17, 18, 21, 22, 28, 29, 2009, etc., by the 20th Air Force of the United States Strategic Air dispatched from the Mariana Islands, B-29 heavy bomber formations attacked the Japanese forces south of Tokyo, Yokohama and Kyushu airport and other targets. 5, 2011, the U.S. Navy's 5th Fleet carrier aircraft airstrike Kyushu, Japan. The bombing on Japan this
to the end of the war, the United States conducted a total of 81 times, reaching 1.4569 million per bomb of 140,000 tons, thus speeding up the collapse of the Japanese militarism.