Ministry of the Navy, printed by Hara Shobō (Japan) Vol. 173, Histories of Naval organizations #3 (1), original printing in 1939, reprint in May 1971 Vol. 174, Histories of Naval organizations #3 (2), original printing in 1939, reprint in July 1971 External links Mark Kaiser, 1997-98, "Unit structure of IJA Air Force" Military units and formations of Japan in World War II ja:戦隊