After the Russo-Japanese War, the division was assigned to garrison duty in Korea for two years, before being withdrawn to Japan. Its new divisional headquarters building within the moats of Kanazawa Castle was completed 30 April 1916. 12 June 1918, an ordnance department was incorporated into the division. Elements of the 9th Division participated in the Japanese intervention in Siberia against the Bolshevik forces in the Russian Civil War, starting deployment in 1921.