type of Kirishimas guns. During her second reconstruction, Kirishima was also fitted with a small number of Type 96 antiaircraft autocannons. Service 1914–1927: Battlecruiser Kirishima was formally commissioned on 19 April 1915, and along with was assigned to the 1st Battleship Division of the First Fleet. After seven months of trials, she was reassigned to the 3rd Battleship Division of the Second Fleet, with Captain Shima Takeshi in overall command of the ship. In April 1916, Kirishima and Haruna departed Sasebo Naval Base to patrol the East China Sea for ten days. She remained in Sasebo until April 1917, when she again deployed to the Chinese coast with her sister ships Haruna and . Her last patrol operation of World War I was off the Chinese and Korean coast in April 1918. In July 1918, Kirishima acted as the transport of Prince Arthur of Connaught for his extended cruise to Canada, before returning to Japan. Following the end of World War I, the Japanese Empire gained control of former German possessions in the central Pacific per the terms of the Treaty of Versailles. Due to Japan's warm relations with the British Empire and the United States at the time, Kirishima and other Japanese warships became significantly less active than during the war. On 1 December 1920, she was reassigned to the Third Division of the Second Fleet. Other than a patrol alongside Kongō and off the Chinese coast in August 1921, Kirishima remained in Sasebo. On 10 September 1922, she collided with the destroyer during fleet maneuvers, with both ships sustaining minor damage. Following the Great Kantō earthquake of September 1923, the capital ships of the Imperial Japanese Navy assisted in rescue work until the end of the month. She was placed in reserve in December 1923. With the conclusion of World War I and the signing of the Washington Naval Treaty, the size of the Imperial Japanese Navy was significantly lessened, with a ratio of 5:5:3 required between the capital ships of the United Kingdom, the United States, and Japan. The treaty also banned Japan from building any new capital ships until 1931, with no capital ship permitted to exceed 35,000 tons. Provided that new additions did not exceed 3,000 tons, existing capital ships were permitted to be upgraded with improved torpedo bulges and deck armor. By the time the Washington Treaty had been fully implemented in Japan, only