Editing Keisuke Okada (section)

==Military career==
Okada served as a [[midshipman]] on the [[ironclad warship]] [[Japanese corvette Kongō (1877)|''Kongō'']] and the cruiser {{ship|Japanese cruiser|Naniwa||2}}. He was commissioned an [[Ensign (rank)|ensign]] on 9 July 1890. He later served as [[lieutenant]] on the {{ship|Japanese cruiser|Itsukushima||2}} and {{ship|Japanese cruiser|Takachiho||2}} as well as the corvette [[Japanese corvette Hiei (1877)|''Hiei'']].<ref>Nishida, Imperial Japanese Navy</ref>

In the [[First Sino-Japanese War]], Okada served on the {{ship|Japanese battleship|Fuji||2}}. After his graduation from the [[Naval War College (Japan)|Naval Staff College]], he subsequently served on the {{ship|Japanese battleship|Shikishima||2}} and as [[executive officer]] on the {{ship|Japanese cruiser|Yaeyama||2}}. He was promoted to [[lieutenant]] on 9 December 1894, to [[lieutenant commander]] on 29 September 1899 and to [[commander]] on 13 July 1904.

During the [[Russo-Japanese War]], Okada served as executive officer on a successor of vessels, including the {{ship|Japanese cruiser|Chitose||2}}, {{ship|Japanese cruiser|Kasuga||2}} and ''Asahi''. He was promoted to captain on 25 September 1908 and given his own command, the ''Kasuga'' on 25 July 1910. He later transferred to the {{ship|Japanese cruiser|Kashima||2}} in 1912.

Promoted to [[rear admiral]] on 1 December 1913, Okada served in a number of desk jobs thereafter, including that of the Naval Shipbuilding Command. He was promoted to [[vice admiral]] on 1 December 1917 and to full [[admiral]] on 11 June 1924.

Okada assumed the post of [[commander-in-chief]] of the [[Combined Fleet]] in 1924. In 1927, he became [[Ministry of the Navy of Japan|Minister of Navy]] in the administration of [[Tanaka Giichi]], but resigned in 1929 to assume the post of military councillor on the [[Supreme War Council (Japan)|Supreme War Council]].

Okada was one of the few supporters ([[Treaty Faction]]) within the upper ranks of the Imperial Japanese Navy of the arms reduction treaty resulting from the [[London Naval Treaty]] of 1930, which he helped negotiate and worked hard for its ratification.  He again served as Navy Minister in the [[Saitō Makoto]] cabinet of 1932.

Okada entered the reserves on 21 January 1933 and retired five years later.

[[File:Okada Matsuo.jpg|thumb|left|Okada (left) and [[Denzō Matsuo]]]]