31/07/1894-21/03/1898=Unprotected Cruiser;-Torpedo Gunboat;
21/03/1898-28/08/1912=Dispatch Vessel;
28/08/1912-01/04/1916=1st Class Gunboat;
09/12/1916-01/07/1920=
Submarine Boat Tender;
01/07/1920-12/03/1926=
Submarine Depot&Repair Ship;

CEO:Lt.Cdr.Dewa Shigeto [5]=
05/06/1894-13/07/1894;
CO:Lt.Cdr.Dewa Shigeto [5]=
05/06/1894-13/07/1894;
CO:
CO:Lt.Cdr.Mukaiyama, Shinkichi [5]=
02/11/1894-25/05/1895;
CO:Lt.Cdr.Tomioka, Sadayasu [5]=
25/05/1895-01/04/1896;
CO:Lt.Cdr.Fujita, Sachiemon [4]=
01/04/1896-21/09/1896;
CO:Lt.Cdr.Tanji, Hiroo [5]=
21/09/1896-04/021897;
CO:Lt.Cdr.Ogura, Byoichiro [5]=
04/02/1897-01/06/1897;
CO:Lt.Cdr/Cdr.Okubo, Hokizo [5]=
01/06/1897-29/09/1899;
CO:Cdr.Ijichi, Hikojiro [7]=
29/09/1899-20/05/1900;
CO:
CO:Cdr/Cpt.Kamaya, Tadamichi [11]=
11/11/1903-15/03/1905;
CO:Cdr/Cpt.Yamagata, Bunzo [11]=
15/03/1905-20/12/1905;
CO:Cdr.Sato Tetsutaro [14]=
20/12/1905-25/01/1906;
CO:
CO:Cdr.Osawa, Kishichiro [14]=
22/11/1906-18/05/1907;
CO:
CO:Cdr.Takeuchi, Jiro [14]=
22/11/1907-25/09/1908;
CO:
CO:Cdr.Yotsumoto, Kensuke [20]=
09/09/1914-01/12/1914;
CO:

09/12/1916 Renamed Nagaura Maru;
01/07/1920 Renamed Nagaura;

28/08/1894-20/01/1895=Interned in Aden during Sino-Japanese War 1894-1895;
15/05/1904= Damaged,ran aground, Kuan Lun Tao,Elliot Islands;39*08'N;122*22'E;
30/08/1904=Repaired,Back in Service;

01/04/1916=Removed from Navy List;
09/12/1916=Recommissioned as Subtender Nagaura Maru;
12/03/1926= Removed from Navy List; 1926=Sold&Scrapped;