SubDiv21

Submarine Division 21

Activated	Deactivated	Boats	Formations	Successes	Notes
01/12/1920 31/05/1937	01/04/1932 05/10/1942	RO-1=01/12/1920-01/04/1932 RO-2=01/12/1920-01/04/1932 01/04/1932=Deactivated; RO-33=31/05/1937-05/10/1942+ RO-34=31/05/1937-05/10/1942	Sasebo Defence Div.;Sasebo ND= 01/12/1920-01/04/1932 01/04/1932=Deactivated; Sasebo ND= 31/05/1937-15/12/1938 Combined Fleet= 15/12/1938-08/04/1939 Sub.Ron.2;2ndFleet= 08/04/1939-15/11/1939 2nd Reserve;Sasebo ND= 15/11/1939-01/05/1940 Sub.Ron.5;4thFleet;Combined Fleet= 01/05/1940-15/11/1940 Sub.Ron.4;Combined Fleet= 15/11/1940-10/03/1942 Sub.Ron.6;Combined Fleet= 10/03/1942-10/04/1942 Sub.Ron.7; 4th Fleet;Combined Fleet= 10/04/1942-14/07/1942 Sub.Ron.7; 8th Fleet;Combined Fleet= 14/07/1942-05/10/1942 05/10/1942=Deactivated;	W'ship sunk:0; W'ship dam: 0; M'ship sunk: 01@000300t; M'ship dam: 01@003310t; Total sunk: 01@000300t; Total dam: 01@003310t; Total: 02@003610t;	CO: CO:31/05/1937-15/12/1938= Cdr/Cpt.Uozumi Jisaku; [42] CO:15/12/1938-15/11/1939= Cdr.Sasaki Hankyu; [45] CO: CO:15/11/1940-11/08/1941= Cpt.Minakuchi Hyoe; [46] CO:11/08/1941-10/11/1941= Cdr/Cpt.Kato Yukio; [47] CO:10/11/1941-20/08/1942= Cpt.Iwagami Hidetoshi; [46] CO:20/08/1942-05/10/1942= Cpt.Fujimoto Tsuto; [48] 05/10/1942=Deactivated;