Home Base:Kure ND;
05/09/1927-01/12/1930=Sub.Div.18;Sub.Ron2;2ndFleet;Combined Fleet;
01/12/1930-01/12/1931=Sub.Div.18; Kure Defence Div; Kure ND;
01/12/1931-15/11/1933=Sub.Div.18;Sub.Ron2;2ndFleet;Combined Fleet;
15/11/1933-11/12/1933=Sub.Div.18;Kure Defence Div; Kure ND;
11/12/1933-01/02/1934=Sub.Div.18;Kure Guard Ron; Kure ND;
01/02/1934-15/11/1935=Sub.Div.18;Sub.Ron2;2ndFleet;Combined Fleet;
15/11/1935-20/08/1936=Sub.Div.18;Sub.Ron.1; 1st Fleet; Combined Fleet;
20/08/1936-01/10/1938=Reserve;Kure ND;
01/10/1938-15/11/1939=Sub.Div.18;Sub.Ron.1; 1st Fleet; Combined Fleet;
15/11/1939-15/11/1940=Sub.Div.18;Sub.Ron.4;1st Fleet; Combined Fleet;
15/11/1940-10/03/1942=Sub.Div.18;Sub.Ron.4;Combined Fleet;
10/03/1942-01/12/1943=Sub.Div.18;Kure ND;
01/12/1943-31/01/1944=Sub.Div.18;Kure Sub.Ron;Kure ND;
31/01/1944-20/04/1945=Sub.Div.19;Kure Sub.Ron;Kure ND;
20/04/1945-20/07/1945=Sub.Div.33;Kure Sub.Ron;Kure ND;
20/07/1945-20/11/1945=Kure ND;

10/02/1932-20/02/1934 ?=Reserve;
31/07/1936-01/12/1936 ?=Reserve;
20/07/1945- /08/1945=4th Reserve;

CEO:Lt.Cdr.Minowa Chyugo [38]=01/03/1927-05/09/1927;
CO:Lt.Cdr.Minowa Chyugo [38]=05/09/1927-01/12/1927;
CO: Lt.Cdr.Hiraoka Kumeichi [39]=01/12/1927-10/12/1928;
CO:Lt.Cdr.Nabeshima Shunsaku [42]=10/12/1928-05/11/1929;
CO:Lt.Cdr.Ishizaki Noboru [42]=05/11/1929-01/12/1930;
CO:Lt.Cdr.Abe Nobuo [42]=01/12/1930-15/11/1932;
CO:Lt.Cdr.Shiino Kotaro [45]=15/11/1932-15/11/1933;
+CO:Lt.Cdr.Takezaki Kaoru [45]=15/11/1933-20/02/1934;
CO:Lt.Cdr.Shiino Kotaro [45]=20/02/1934-10/05/1935;
CO:Lt.Cdr/Cdr.Tamaki Tomejiro [45]=10/05/1935-10/11/1936;
CO:Cdr.Kume Ikuji [46]=10/11/1936-01/12/1936;
CO:Lt.Cdr.Yamada Takashi [49]=01/12/1936-15/12/1937;
CO:Lt.Cdr.Tonozuka Kinzo [50]=15/12/1937-20/11/1939;
CO:Lt.Cdr.Tagami Meiji [51]=20/11/1939-28/04/1941;
CO:Lt.Cdr.Nakajima Seiji [54]=28/04/1941-25/03/1942;
CO:Lt.Cdr.Kudo Kaneo [56]=25/03/1942-10/12/1942;
(A)CO:Cpt.Hamano Motoichi [47]=10/12/1942-10/01/1943;
CO:Lt.Cdr/Cdr.Kono Masamichi [52]=10/01/1943-30/04/1944;
CO:Lt/Lt.Cdr.Hayakawa Norimasa [64]=30/04/1944-20/07/1945;
CO: ?

01/11/1924 Renumbered I-55;
20/05/1942 Renumbered I-155;
11/07/1929 Damaged, Collision;CA Kinugasa; Exercises; off Kyushu;
10/02/1932 Damaged, Collision; I-154; Fleet Exercises; off Kyushu;
10/05/1936 Damaged, Collision; I-153; Fleet Exercises; off Kyushu;
23/07/1936 Damaged, grounded; typhoon Fleet Exercises; off Kyushu;
e/06/1943 Damaged (Heavy Seas)=Aleutians;
05/05/1944 Damaged,Collision-Fleet Tanker Hayasui off Kabutojima;
10/07/1942- m/05/1943Kure=Training Boat;
23/06/1943--19/07/1945Kure=Training Boat;
20/07/1945- e/08/1945=Reserve Boat; Laid Up;
e/08/1945 Converted to Kaiten Carrier; 2 Kaiten;
/09/1945 Surrendered;Kure;
20/11/1945Removed from Navy List;
1946 Scrapped;

[Lt.Cdr.Abe Nobuo] [42]
e/02/1932 = Fleet Exercises;(Training);
[] []
29/06//1933Sasebo-05/07/1933Takao=c.Chinese waters-Mako-Takao;(Training);
13/07/1933Takao-21/08/1933Tokyo Bay=s.Chinese waters;(Training);
25/08/1933=Yokohama Naval Review;
[Lt.Cdr.Shiino Kotaro] [45]
07/02/1935-Sasebo-25/02/1935Sukumo Bay=Kurile Is;(Training);
29/03/1935Sasebo-04/04/1935Sasebo=c.Chinese waters;(Training);
[Lt.Cdr.Tamaki Tomejiro [45]
e/05/1936 = Fleet Exercises; off Kyushu;
[Lt.Cdr.Tagami Meiji] [51]
11/10/1940=Yokohama Naval Review;
[Lt.Cdr.Nakajima Seiji] [54]
20/11/1941Kure-26/11/1941Samah,Hainan Is.=Transit;
01/12/1941Samah-20/12/1941CamranhBay(French.I.CH)=nw.Anabas Is;
29/12/1941CamranhBay-14/01/1942CamranhBay=Java Sea-s.Java;
31/01/1942CamranhBay-21/02/1942StaringBay=LombokStrait-Java Sea;
16/03/1942StaringBay-25/03/1942Kure=Transit;(Repairs);
[Lt.Cdr/Cdr.Kono Masamichi] [52]
22/05/1943Kure-23/05/1943Yokosuka=Transit;
26/05/1943Yokosuka-02/06/1943Paramushiro=Transit;
04/06/1943Paramushiro- m/06/1943Paramushiro=Kiska(Supply t;Rescue)(Repairs);
14/06/1943Paramushiro-20/06/1943Kure=Transit;(Repairs);

Sorties=4

[Lt.Cdr.Nakajima Seiji] [54]
04/02/1942sunk.Ne.MS.VanLansberge;1937t;nJava;06* 'S;119* 'E;
07/02/1942sunk.Ne.MS.VanCloon;4519t;nJava;06*18'S;111*36'E;
13/02/1942sunk.Br.MS.Derrymore;4799t;nJava;05*18'S;106*20'E;

M/S Sunk=03@011255t
M/S Damaged =0
W/S Sunk =0
W/S Damaged =0
Total Sunk =03@011255t
Total Damaged =0
Total =03@011255t