02/02/1917-07/02/1917= Kure ND;
07/02/1917-01/12/1917=Sub.Div.4; Torp.Ron.4; 3rd Fleet;
01/12/1917-02/11/1918=Sub.Div.4; Torp.Ron.4; 2nd Fleet;
02/11/1918-01/04/1919=Sub.Div.13; Torp.Ron.4; 1st Fleet;
01/04/1919-10/07/1919=Sub.Div.13; Kure Defence Div.; Kure ND;
10/07/1919-01/11/1919=Sub.Div.13; Sub.Ron.1; 1st Fleet;
01/11/1919-15/03/1921=Sub.Div.1; Yokosuka Defence Div.; Yokosuka ND;
15/03/1921-20/03/1929=Sub.Div.13; Kure Defence Div.; Kure ND;
20/03/1929-01/04/1929=Sub.Div.13; Kure ND;

CEO:Lt.Cdr.Yoshiyama Hiakuju [32]= ?? -10/01/1917;
CO:
CO:Lt.Teragaki Keizo [40]=01/12/1920-15/03/1921;
CO:Lt.Yoshitomi Setsuzo [39]=15/03/1921-01/04/1921;
CO:Lt.Nakamura Motoji [39]=01/04/1921-01/12/1921;
CO:Lt.Mori Tokuji [40]=01/12/1921-10/03/1923;
CO:

15/06/1923 Renamed HA-8;
01/04/1929 Removed from Navy List;
Broken Up;