In 1908, "Asahi" was part of the Japanese fleet that escorted the American Great White Fleet through Japanese waters during its round-the-globe voyage. The ship was assigned to the 1st Fleet in 1908 and 1910–11. "Asahi" became a gunnery training ship in 1914, and was re-armed in 1917 with Japanese guns replacing her original British-made guns. The same year, she was assigned to the 5th Division of the 3rd Fleet. In 1918, "Asahi" became flagship of her division and participated in the Japanese intervention in the Russian Civil War. She escorted troop convoys to the Russian Far East and was guard ship at Kamchatka from January to August 1918. "Asahi" was reclassified as a first-class coastal defence ship on 1 September 1921, and began disarmament in 1922 at Yokosuka in compliance with the terms of the Washington Naval Treaty. She was reclassified as a training and submarine depot ship on 1 April 1923 and her disarmament was completed in July of that same year. Her displacement dropped to with the loss of her armour and guns, and her speed was limited to .