Submarine Division 12

Activated	Deactivated	Boats	Formations	Successes	Notes
02/11/1918 08/10/1935	01/04/1929 10/07/1944	HA-3=02/11/1918-01/04/1929 HA-4=02/11/1918-01/04/1929 HA-5=02/11/1918-01/04/1929 RO-11=31/07/1919-18/09/1919; 01/04/1929=Deactivated; I-168=08/10/1935-15/10/1943+ I-169=08/10/1935-10/06/1944+ I-70=15/11/1935-15/03/1942+ I-171=20/03/1942-30/04/1944+ I-172=20/03/1942-15/12/1942+ I-174=15/03/1943-10/06/1944+ I-175=15/03/1943-10/07/1944+ I-176=15/03/1943-10/07/1944+ 10/07/1944=Deactivated;	Kure ND= 02/11/1918-01/12/1918 Kure Defence Div.:Kure ND= 01/12/1918-20/03/1929 Kure ND= 20/03/1929-01/04/1929 01/04/1929=Deactivated; Kure ND= 08/10/1935-15/11/1935 Sub.Ron.2;2ndFleet;Combined Fleet= 15/11/1935-15/12/1938 3rd Reserve;Kure ND= 15/12/1938-01/05/1939 Kure ND= 01/05/1939-15/11/1939 Sub.Ron.3;2ndFleet;Combined Fleet= 15/11/1939-15/11/1940 Sub.Ron.3; 6thFleet;Combined Fleet= 15/11/1940-15/09/1943 6thFleet;Combined Fleet= 15/09/1943-10/07/1944 10/07/1944=Deactivated;	W'ship sunk: 04@031352t; W'ship dam: 01@001625t; M'ship sunk: 02@014778t; M'ship dam: 0; Total sunk: 06@046130t; Total dam: 01@001625t; Total: 07@047755t;	CO:02/11/1918-10/11/1918= Cdr.Taguchi Shigeki [29] (A)CO:10/11/1918-01/12/1918= Lt.Cdr.Mashiko Rokuya; [30] CO:01/12/1918-01/12/1919= Cdr.Mashiko Rokuya; [30] CO: 01/04/1929=Deactivated; CO:08/10/1935-01/12/1936= Cdr.Kouda Takero; [41] CO:01/12/1936-01/12/1937= Cpt.Ishizaki Noboru; [42] CO:01/12/1937-15/11/1938= Cdr.Sato Shiro; [43] CO:15/11/1938-15/11/1939= Cpt.Okura Tomesaburo; [43] CO:15/11/1939-19/10/1940= Cpt.Sasaki Hankyu; [45] CO:19/10/1940-01/07/1942= Cpt.Nakaoka Nobuki; [45] CO:01/07/1942-27/11/1942= Cpt.Okamoto Yoshisuke; [47] +KIA (I-172); CO:27/11/1942-28/12/1942= Vacant; CO:28/12/1942-12/03/1944= Cpt.Kobayashi Hajime;[48]+KIA( I171); 12/03/1944-27/03/1944 Vacant; CO:27/03/1944-10/07/1944= Cpt.Narahara Shogo; [48] 10/07/1944=Deactivated;

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