World War II Armed Forces – Orders of Battle and Organizations

Last Updated 26.04.2005

Imperial Japanese Navy In cooperation with Jeff Donahoo Submarine Divisions

The format is Japanese style: rank; last name, first name; (Eta Jima class, if known); day.month.year of command and assignment. Commanders marked with * are known to have died.

 

Submarine Division 1     under Submarine Squadron 1 (6th Fleet) 12.41 – 09.43       • Capt Imazato Hiroshi 12.41 – 02.42       • Capt Imiazumi Kijiro 02.42 – 08.42       • *Capt Ota Nobunosuke 08.42 – 02.43       • Capt Iwagami Hidetoshi 3.43 – 09.43     deactivated 09.43     activated 12.44     under Submarine Squadron 8 (6th Fleet) 12.44 – 09.45       • *Capt Ariizma Tataunsuke 12.44 – 08.45 Submarine Division 2     under Submarine Squadron 1 (6th Fleet) 12.41 – 04.44       • Capt Imiazumi Kijiro 12.41 – 02.42       • Capt Imazato Hiroshi 02.42 – 07.42       • Capt Ono Ryojiro 07.42 – 01.43       • Capt Minaguchi Hyoe 01.43 – 07.43       • *Capt Miyazaki Takeji 07.43 – 08.43       • *Capt Iwagami Hidetoshi 08.43 – 02.44    deactivated 04.44 Submarine Division 3     under Submarine Squadron 1 (6th Fleet) 12.41 – 01.43       • Capt Sasaki Hankyu 12.41 – 01.43     deactivated 01.43 Submarine Division 4    Submarine Squadron 1 (6th Fleet) 12.41 – 08.42       • Capt Oda Tamekiyo 12.41 – 04.42       • Capt Nagai Mitsuru 04.42 – 08.42    deactivated 08.42 Submarine Division 6     under Kure Naval District     under Yokosuka Naval District       • Capt Okamoto Yoshisuke 12.41 – 06.42       • Capt Kato Ryonosuke 06.42 – 07.42       • Cdr Narahara Shogo 07.42 – 09.43       • Capt Shichiji Tsuneo 09.43 – 01.45 Submarine Division 7     under Submarine Squadron 2, 6th Fleet       • Capt Shimamoto Kyugoro 12.41 – 05.42       • *Capt Tamaki Tomegiro 05.42 – 06.43       • Capt Okamoto Yoshisuke 07.43 – 12.43       • *Capt Narahara Shogo 05.44 – 10.44     deactivated 9.44 Submarine Division 8       • Capt Takezaki Kaoru 12.41 – 08.42     deactivated 08.42 Submarine Division 9       • *Cdr Endo Keiyu 12.41 – 01.42     deactivated 02.42 Submarine Division 11       • Capt Minaguchi Hyoei 12.41 – 11.42       • Capt Iwagami Hidetoshi 11.42 – 03.43     deactivated 03.43 Submarine Division 12       • Capt Nakaoka Nobuki 12.41 – 07.42       • Capt Okamoto Yoshisuke 07.42 – 11.42       • Capt Kobayashi Hajime 12.42 – 02.44       • Capt Narahara Shogo 02.44 – 07.44     deactivated 07.44 Submarine Division 13       • Capt Miyazaki Takeji 12.41 – 10.42       • Capt Fujimoto Tsuto 10.42 – 05.43     deactivated 05.43 Submarine Division 14    activated 3.42       • Capt Katsuta Haruo 03.42 – 03.43       • Capt Teraoka Masao 03.43 – 12.43     deactivated 12.43 Submarine Division 15     activated 5.42       • Capt Kijima Moritsugu 05.42 – 01.43       • Capt Nagai Takeo 01.43 – 12.43       • Capt Okada Yuasku 12.43 – 03.44       • Capt Takahashi Chojuro 03.44 – 07.44       • Capt Ageta Kiyoi 07.44 – 09.45 Submarine Division 16     activated 3.45       • Capt Imaizumi Yoshijiro 03.45 – 09.45

Submarine Division 18       • Capt Kijima Moritsugu 12.41 – 05.42       • Capt Hamano Motoichi 05.42 – 01.44     deactivated 1.44 Submarine Division 19       • Capt Ota Nobunosuke 12.41 – 05.42       • Capt Ono Ryojiro 05.42 – 07.42       • Capt Hamano Motoichi 07.42       • Capt Nishino Kozo 07.42 – 02.43       • Capt Kayabara Yasuchika 02.43 – 01.44       • Capt Hamano Motoichi 01.44 – 07.44       • Capt Fujimoto Tsuto 07.44 – 02.45       • Capt Koizumi Kiichi 02.45 – 04.45     deactivated 04.45 Submarine Division 20       • *Capt Otake Toshio 12.41 – 01.42       • No CO 01.42 – 03.42     deactivated 03.42 Submarine Division 21       • Capt Iwagami Hidetoshi 12.41 – 08.42       • Capt Fujimoto Tsuto 08.42 – 10.42     deactivated 05.10.42 Submarine Division 22     activated 02.43       • Capt Nishino Kozo 02.43 – 11.43       • Capt Maejima Toshihide 11.43 – 01.44       • *Capt Kayabara Yasuchika 01.44 – 07.44     deactivated 08.44 Submarine Division 26       • Capt Matsuo Yoshiyasu 03.42 – 10.42       • Capt Kobayashi Hajime 10.42 – 12.42       • Capt Narahara Shogo 12.42 – 09.43       • Capt Hamano Motoichi 09.43 – 12.43 Submarine Division 27       • *Capt Fukaya Sokichi 12.41 Submarine Division 28       • *Capt Kato Yukio 12.41 – 01.42     deactivated 04.42 Submarine Division 29       • Capt Tomaki Tomejiro 12.41 – 03.42     deactivated 03.42 Submarine Division 30       • Capt Teraoka Masao 12.41 – 01.43       • Capt Oyama Toyojiro 01.43 – 01.44       • Capt Takahashi Chojuro 01.44 – 03.44     deactivated 03.44 Submarine Division 33       • Capt Nagai Takeo 12.41 – 08.42       • Capt Kato Ryonosuke 08.42 – 09.43       • Capt Narahara Shogo 09.43 – 02.44       • Capt Otani Kiyonori 02.44 – 03.45       • *Capt Ankyo Eitaro 03.45 – 04.45       • Capt Koizumi Kiichi 04.45 – 08.45 Submarine Division 34     activated 10.43       • *Capt Shimzu Taro 11.43 – 03.44       • *Capt Yamada Takashi 04.44 – 07.44       • no CO 08.44       • *Capt Matsumura Kanji 09.44 – 10.44       • no CO 11.44 – 02.45       • Capt Ageta Kiyoi 02.45 – 04.45       • Capt Tagami Meiji 04.45 – 08.45     deactivated 8.45 Submarine Division 51    under Submarine Squadron 7 (SWAF) 08.43 – 08.44     activated 9.43       • *Capt Kato Ryonosuke 09.43 – 06.44       • Capt Ageta Kiyoi 06.44 – 08.44     deactivated 08.44 Submarine Division 52     activated 07.45     under 6th Fleet       • Capt Yokota Minoru 07.45 – 09.45