Japanese admiral. Born in an ancient aristocratic family in Oda clan, Hongxin County. Originally known as Gaoye Fifty-six, 19 16, the successor of Yamamoto family was renamed Isoroku Yamamoto. 190 1 year was admitted to Jiangtiandao Naval School. 1904 after graduation, he served as a midshipman on the ship "Spring Day". 1905 was transferred to the "Golden Sun" naval gunner, participated in the Russo-Japanese War, and was injured in the naval battle against Malaysia. 19 16 after graduating from the naval university, he served as the staff officer of the 2 nd fleet. 19 19 to study in the United States. 192 1 returned to Ren Haijun university as a lecturer. 1923 went to Europe and America to inspect naval construction. 65438-0924 served as the chief instructor and vice captain of Xiapu Naval Aviation Training Team. From 65438 to 0935, he served as the Japanese naval attache in the United States. /kloc-returned to China in 0/928 and served as the captain of the cruiser Isuzu and the aircraft carrier Chicheng. 1930 ~ 1938, former technical director of Ren Haijun aviation headquarters, 1 air force commander, director of aviation headquarters and vice minister of navy. It advocates vigorously building naval aviation and personally leading aviation units to conduct strict maritime training, which has made great efforts to improve the combat capability of Japanese aircraft carriers and played an important role in the development of Japanese naval aviation. Since 1939, he has been the commander of Japan's joint fleet. 1940 promoted to general. He supported and participated in the Japanese militaristic war of aggression against China, and was one of the important planners and organizers of the Pacific War. He strongly advocated that at the beginning of the war between Japan and the United States, the US Pacific Fleet should be defeated before the US naval forces were mobilized to ensure the implementation of Japan's "southward advancement" strategy. Under the guidance of this thought, he planned and directed the attack on Zhu Zhen Port in19412, and won the victory, which ensured the flank safety of Japanese troops attacking Southeast Asia. However, in May of 1942, he organized and commanded the naval battle of midway in an attempt to lure out the main force of the US fleet and suffered a disastrous defeat. Subsequently, he was defeated in the battle for the command of Solomon Islands. In this battle, he himself was intercepted and deciphered by the US military because he announced the secret code of his plane taking off. When his plane flew over bougainville island on April 1943, it was shot down by the American fleet and buried in the thorns in the north of Buni Island. Be posthumously awarded the title of marshal.