佐世保鎮守府
Prince Hiroyasu succeeded his father as the twenty-third head of the house of Fushimi in 1923. He was appointed commander of the Sasebo Naval District in 1924. Admiral Prince Fushimi became the chief of the Imperial Japanese Navy General Staff on February 2, 1932, replacing Admiral Abo Kiyokazu, and held the post to April 9, 1941.