Sadatoshi Tomioka

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Sadatoshi Tomioka (1900-1970) was a Japanese admiral and served as chief of naval operations for the Imperial Japanese Navy during the Second World War.

Assigned to Naval General Staff as an operations section chief in October 1940, Tomioka continued to serve in that capacity during the first two years of WWII until January 1943 (during which time he unsuccessfully opposed the 1941 raid on Pearl Harbor and the attempted 1942 occupation of Midway, instead opting to focus on occupying Port Moresby as a staging ground for an invasion of Australia). In September, Tomioka served as chief of staff to the Southeast Area Fleet for more then a year before returning to the Naval General Staff as the department's operations bureau chief, a position he would hold for the remainder of the war.

In his later years, Tomioka would assist in editing a Japanese history of the Pacific War and, in 1951, served on a 12-man commission to assist the Japanese government in the establishment of the present day Japan Self-Defense Forces. He would later offer lectures at the Japanese Defense Research Institute, until his death in 1970.

Promotions

Midshipman - 24 November 1917

Ensign - 1 August 1918

Sublieutenant - 1 December 1920

Lieutenant - 1 December 1923

Lieutenant Commander - 30 November 1929

Commander - 15 November 1934

Captain - 15 November 1938

Rear Admiral - 1 November 1943

[edit] References

• Parrish, Thomas and S. L. A. Marshall, ed. The Simon and Schuster Encyclopedia of World War II, New York: Simon and Schuster, 1978.