War Department Special Series No 25 Japanese Field Artillery October 1944 U.S. Department of War, TM 30-480, Handbook on Japanese Military Forces, Louisiana State University Press, 1994. . War Department TM-E-30-480 Handbook on Japanese Military Forces September 1944 External links Taki's Imperial Japanese Army Artillery of Japan World War II anti-aircraft guns 8 8 75 mm artillery Military equipment introduced in the 1920s