Submarine Squadron 1

Activated
Deactivated
Boats
Formations
Successes
Notes
10/07/1914
Torpedo Ron4
(also known asDes.Ron.4)
01/04/1919
Renamed
Sub.Ron.1 		15/01/1944

Directly attached to Sub.Ron.1:

I-9=Flagship;
21/11/1941-01/08/1943
I-11=Flagship;
15/09/1943-15/01/1944

Flagships:
CL.Yahagi(1)=;
01/12/1921-01/12/1922
CL.Chikuma(1)=;
01/12/1922-15/05/1924
CL.Kitakami=;
01/12/1925-01/12/1926
CL.Yura=;
01/12/1926-20/06/1927
CL.Tama=;
15/11/1934-15/11/1935
CL.Isuzu=;
01/12/1936-01/12/1937
CL.Katori=
15/11/1940-01/05/1941;

Sub.Tenders:
(Torp.Ron.4):
Karasaki=Flagship;
13/12/1915-31/03/1919;
Komahashi=
13/12/1915-01/12/1918;
(Sub.Ron.1):
Karasaki=Flagship;
01/04/1919-01/12/1922;
Kanto=
01/12/1922-01/12/1923
Jingei=Flagship;
01/12/1924-15/11/1933;
Chogei=Flagship;
15/11/1933-15/11/1934;
Jingei=Flagship;
15/11/1935-01/12/1936;
Jingei=Flagship;
01/12/1937-15/09/1938;
Taigei=Flagship;
15/09/1938-15/11/1939;
Tsurugizaki=Flagship;
15/11/1939-15/11/1940;
Yasukuni Maru=
15/11/1940-15/12/1941;
Heian Maru=
15/12/1941-15/01/1944

Sub.Div.3=
//1917-?
Sub.Div.6=
01/12/1925-01/12/1926
Sub.Div.24=
01/12/1925-//1928?
Sub.Div.26=
01/12/1925-//1928?
Sub.Div.27=
01/12/1927-//1928?
Sub.Div.8=
01/12/1930- / /193
Sub.Div.7=
15/11/1934-15/11/1935
Sub.Div.8=
15/11/1934-15/11/1935
Sub.Div.18=
15/11/1935-01/12/1936
Sub.Div.19=
15/11/1935-01/12/1936
Sub.Div.28=
15/11/1935-e/1937
Sub.Div.7=
01/12/1936-15/11/1940?
Sub.Div.8=
01/12/1936-15/11/1940?
Sub.Div.1=
15/11/1940-09/01/1942
Sub.Div.2=
15/11/1940-15/01/1944
Sub.Div.3=
15/11/1940-09/01/1942
Sub.Div.4=
15/11/1940-10/08/1942
Sub.Div.15=
30/05/1942-15/01/1944
 Sub.Div.1=
04/08/1943-25/09/1943

2nd.Fleet=
10/07/1914-15/11/1915
1st.Fleet=
15/11/1915-01/12/1916
3rd.Fleet=
01/12/1916-01/12/1917
2nd.Fleet=
01/12/1917-01/12/1918
1st.Fleet=
01/12/1918-01/12/1919
2nd.Fleet=
01/12/1919-01/12/1920
1st.Fleet=
01/12/1920 -15/11/1940
6th.Fleet=
15/11/1940-15/01/1944

 W'ship sunk: 007@024543t;
W'ship dam: 003@073004t;
M'ship sunk: 015@095979t;
M'ship dam: 010@063504t;
Total sunk:
022@120522t;
Total dam:
013@136508t;
Total:
035@257030t;		 (Torp.Ron.4)
CO:30/06/1915-13/12/1915=
R.Adm.Iwamura Toshitake; [14]
CO:13/12/1915--301/04/1917=
R.Adm.Matsuoka Shuzo; [14]
CO:01/04/1917-01/12/1917=
R.Adm.Okano Fujimatsu; [15] CO:01/12/1917-01/04/1919=
R.Adm.Kanno Yushichi; [17]
(Sub.Ron.1)
CO:01/04/1919-01/12/1919=
R.Adm.Kanno Yushichi; [17]
CO:01/12/1919-01/12/1921=
R. Adm.Matsumura Junichi; [18]
CO:01/12/1921-01/12/1922=
R.Adm.Imaizumi Tetsutaro; [25]
CO:01/12/1922-01/12/1923=
R.Adm.Kurose Seiichi; [26]
CO:01/12/1923-01/12/1925=
R.Adm.Suetsuga Nobumasa; [27]
CO:01/12/1925-10/03/1926=
R.Adm.Kishii Koichi; [28]
CO:10/03/1926-01/12/1926=
R.Adm.Takahashi Ritsuto; [28]
CO:01/12/1926-10/12/1928=
R.Adm.Yuchi Shusei; [30]
CO:10/12/1928-01/12/1930=
R.Adm.Onomoto Satoru; [31]
CO:01/12/1930-01/12/1931=
R.Adm.Fujiyoshi Akira; [31]
CO:01/12/1931-15/11/1932=
R.Adm.Ono Hiroshi; [32]
CO:15/11/1932-15/11/1933=
R.Adm.Inoue Choji; [33]
CO:15/11/1933-25/05/1935=
R.Adm.Hirata Noboru; [34]
CO:
CO:05/06/1935-15/11/1935=
R.Adm.Idemitsu Manbei; [33]
CO:15/11/1935-01/12/1936=
R.Adm.Shimomura Shosuke; [35]
CO:01/12/1936-01/12/1937=
R.Adm.Komatsu Teruhisa; [37]
CO:01/12/1937-15/11/1938=
R.Adm.Kumaoka Yuzuru; [36]
CO:15/11/1938-15/11/1939=
R.Adm.Kasuga Atsushi; [37]
CO:
CO:01/05/1941-11/08/1941=
R.Adm.Sukigara Tamazo; [37]
CO:11/08/1941-15/04/1942=
R.Adm.Sato Tsutomu; [40]
CO:15/04/1942-22/10/1942=
V.Adm.Yamazaki Shigeaki; [41]
CO:22/10/1942-29/03/1943=
R.Adm.Mito Hisashi; [42]
CO:29/03/1943-15/01/1944=
R.Adm.Kouda Takero; [41]

15/01/1944=Deactivated;

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