Editing Katō Tomosaburō (section)

==Naval career==
[[File:Kijūrō Shidehara, Tomosaburō Katō and Iesato Tokugawa.jpg|thumb|left|From left to right, [[Kijūrō Shidehara]], Katō and [[Tokugawa Iesato|Iesato Tokugawa]] on November 3, 1921, to attend the [[Washington Naval Conference]].]]
After his commissioning as [[lieutenant]], Katō served on the [[corvette]] {{Ship|Japanese corvette|Tsukuba||2}} in 1887, followed by the [[cruiser]] {{Ship|Japanese cruiser|Takachiho||2}}. During the [[First Sino-Japanese War]], he served in a combat position as gunnery officer on the cruiser {{Ship|Japanese cruiser|Yoshino||2}}. After the end of the war, he served in numerous staff positions before promotion to [[commander]]. He was [[executive officer]] on the [[battleship]] {{Ship|Japanese battleship|Yashima||2}}, and [[Captain (naval)|captain]] of the {{ship|Japanese gunboat|Tsukushi||2}}. He was promoted to [[rear admiral]] on 1 September 1904.

During the [[Russo-Japanese War]], Katō served as chief of staff to Admiral [[Tōgō Heihachirō]] on the battleship {{Ship|Japanese battleship|Mikasa||2}}, assisting in Japan's victory at the [[Battle of Tsushima]]. During this time, he suffered from a very weak stomach, and was vomiting as he issued orders throughout the battle, despite having taken large amounts of medication.

Katō became Vice Minister of the Navy in 1906, and was promoted to [[vice admiral]] on 28 August 1908. In 1909, he was appointed commander of the [[Kure Naval District]], and in 1913 became [[Commander in Chief]] of the [[Combined Fleet]].

Katō became [[Ministry of the Navy of Japan|Minister of the Navy]] in August 1915, days before his promotion to full [[admiral]] on 28 August 1915. He served in this post in the cabinets of [[Ōkuma Shigenobu]], [[Terauchi Masatake]], [[Hara Takashi]], and [[Takahashi Korekiyo]]. Under Hara and Takahashi, Katō was Japan's chief commissioner [[plenipotentiary]] to the [[Washington Naval Conference]], and worked with Ambassador [[Kijūrō Shidehara|Shidehara Kijurō]] in the negotiations that led to the [[Five-Power Treaty]].