31/07/1919-18/09/1919=Sub.Div.12;Kure Defence Div.;Kure ND;
18/09/1919-01/11/1919=Sub.Div.14;Kure Defence Div.;Kure ND;
01/11/1919-01/07/1921=Sub.Div.14;Sub.Ron.1;1st Fleet;
01/07/1921-01/12/1922=Sub.Div.14;Kure Defence Div.;Kure ND;
01/12/1922-04/06/1923=Sub.Div.14;Sub.Ron2;2nd Fleet;
04/06/1923-01/12/1923=Sub.Div.3;Yokosuka ND;
01/12/1923-01/04/1932=Sub.Div.3;Yokosuka Defence Div.;Yokosuka ND;

CEO:
CO:
(A)CO:Lt.Kasuga Atsushi [37]=01/12/1920-01/12/1921;
(A)CO:Lt.Nakagawa Junkichi [38]=01/12/1921-20/01/1922;;
(A)CO:Lt.Ugaki Kanji [39]=20/01/1922-01/12/1923;
(A)CO:Lt.Harada Kaku [41]=01/12/1923-01/12/1924;
CO:Lt.Saito Eisho [42]=01/12/1924-16/09/1925;
CO:Lt.Kamijo Fukashi [39]=16/09/1925-01/12/1925;
CO:Lt.Fukuda Isamu=01/12/1925-01/04/1926;
CO:Lt.Cdr.Sekimoto Orinosuke [38]=01/04/1926-15/09/1926;
CO:

/ /1919 Damaged=Collision,RO-12;
01/11/1924 Renamed RO-11;
01/04/1932 Removed from Navy List;
01/04/1932 Renamed Haisen No-1;