The fourth son of Haruki Nagano, the cremation of Kochi Prefecture. Like Yamashita Tomomi and Sawada Shigeru, they were both born in the mountains. In the early years of Meiji, he graduated from Hainan Middle School in Kochi Prefecture, and in 1900, he graduated from the 28th issue of Jiangtian Island Naval Academy (ranked second among 105 people, because Nagano has always been a technical lieutenant in the Arsenal, so he is actually a long). 1904 participated in the Russo-Japanese War as a captain, participated in the siege battle of Lushun as a shooter of heavy artillery, captured the 203 highland, and sank the remaining ships of the Russian Pacific Fleet in the harbor like shooting targets. His outstanding performance was even appreciated by the captain Dijiro, who once won the praise of his subordinates. After the war, he served as a gunner in Yandao. Taiwan Province Magong Port 1908, the current ship Songdao suddenly exploded, causing chaos in the port. Nagano calmly sent a lifeboat to rescue. 19 10 graduated from naval university and was promoted to naval sergeant. 19 13 to 19 15 worked as a military attache in the American embassy and studied at Harvard. Be promoted to assistant commander of the navy. In May 2005, Captain Ginny. 19 18 10 was promoted to colonel, and was the chief of the first division of the Personnel Bureau of the Naval Province. 1919165438+10, the captain of "Pinghu". 1920-1922 once again served as the military attache in the United States and attended the Washington conference as a military attache. 1923 65438+ Less promotion in February. 1February 5, 924, the third squad leader of Ren Haijun Military Department was responsible for intelligence gathering. 65438+Commander of Ren Haijun 3rd Team in February. 1 took office on April 20th, 9251Commander of overseas fleet and commander of liaison fleet.

1927 vice admiral, Dean of Naval Academy. Because I studied at Harvard University for two years, where I studied Dalton's educational laws. In the era of naval academy, students' passive compulsory education ended, corporal punishment was prohibited, and self-study was advocated. This is the famous "Jiangtian Island Spirit" of the navy. According to Yoshida Toshio, commander of submarine forces during the Pacific War, the most dynamic period of the Jiangtian Island Naval Academy was the Nagano era. Later, only Inoue Shigeyoshi and Nagano competed for the post of principal.