 |
World War II Armed Forces — Orders of Battle and Organizations | Last Updated 06.01.2015 |
|
World War II Armed Forces — Orders of Battle and Organizations | Last Updated 06.01.2015 |
|
The format for names is Japanese style: rank; last name, first name; Japanese name in Kaji;
(and in brackets the officer's graduating class of the Naval Academy at Etajima, if applicable). (M) Behind the name indicates a merchant marine (civilian) officer. Rank as was at the date he took command, whether as supervisor or captain. If an officer is shown as being in command before the ship was commissioned, he was Chief Equipping Officer, becoming Commanding Officer on the date the ship was commissioned. Dates are given thus: day.month.year Commanders marked with * are known to have died. | ||
| Chogei 長鯨 イゲウチョ | ||
| Long Whale | ||
| Class: Jingei | ||
| Call Sign: JRRA | ||
| Builder: Mitsubishi, Nagasaki | ||
| Ordered under 1920–28 Fleet Program: | 1920 | |
| Laid Down: | 11.03.1922 | |
| Launched: | 24.03.1924 | |
| Completed: | 02.08.1924 | |
| Service: | ||
| 2nd SubRon, 2nd Fleet | 08.09.24–01.12.24 | |
| 2nd SubRon, 2nd Fleet | 01.12.24–01.12.32 | |
| Reserve | 01.12.32–15.11.33 | |
| 1st SubRon, 1st Fleet | 15.11.33–15.11.34 | |
| 2nd SubRon, 2nd Fleet | 15.11.34–15.11.35 | |
| Kure NDF.SubSchool, Otake (Training Ship) | 15.11.35–28.07.37 | |
| SubRon2, 2nd Fleet | 28.07.37–20.10.37 | |
| Reserve | 20.10.37–21.11.37 | |
| ? | 21.11.37–01.04.39 | |
| Yokosuka NDF, Navigation School (Training Ship) | 01.04.39–15.11.39 | |
| Etajima Naval Academy (Training Ship) | 15.11.39–15.11.40 | |
| 2nd SubRon, 6th Fleet | 15.11.40–01.05.41 | |
| 6th SubRon, 3rd Fleet | 01.05.41–10.04.42 | |
| Kure NDF | 10.04.42–05.01.43 | |
| 7th SubRon, 8th Fleet | 05.01.43–01.04.43 | |
| 7th SubRon, SE Area Fleet | 01.04.43–11.11.43 | |
| 11th SubRon, 6th Fleet | 11.11.43–15.09.45 | |
| Allied Repatriation Service | 1945–1946 | |
Fate: 02.09.45 surrendered. Scrapped 1946–47 at Mukajima. | ||
| Removed from Navy List | 15.08.1946 | |
| Commanding Officers: | ||
| Capt Yuchi Shusei (30) | 湯地秀生 | 25.03.24–01.12.24 |
| Capt Onomoto Satoru (31) | 尾本 知 | 01.12.24–01.12.25 |
| Capt Mashiko Rokuya (30) | 益子六弥 | 01.12.25–01.12.26 |
| Capt Nambu Michijiro (31) | 南部道二郎 | 01.12.26–01.12.27 |
| Capt Kuragano Akira (33) | 禽賀野明 | 01.12.27–10.12.28 |
| Capt Nomura Naokuni (35) | 野村直邦 | 10.12.28–01.05.29 |
| Capt Wada Senzo (34) | 和田専三 | 01.05.29–05.11.29 |
| Capt Shirane Teisuke (34) | 白根貞介 | 05.11.29–15.11.30 |
| Capt Owada Yoshinosuke (35) | 大和田芳之助 | 15.11.30–01.12.31 |
| Capt Yokoyama Sugao (36) | 横山管雄 | 01.12.31–15.11.33 |
| Capt Kasuga Sueaki (37) | 春日末章 | 15.11.33–15.11.34 |
| Capt Yoshitomi Setsuzo (39) | 吉富説三 | 15.11.34–01.12.36 |
| Capt Ryuzaki Tomekichi (40) | 竜崎留吉 | 01.12.36–21.11.37 |
| Capt Unoike Rokuzo (38) | 鵜池六蔵 | 21.11.37–15.12.39 |
| Capt Hisamune Yonejiro (41) | 久宗米次郎 | 15.12.38–30.03.39 |
| Capt Tashiro Sohei (41) | 田代蘇平 | 30.03.39–15.11.39 |
| Capt Komazawa Katsumi (42) | 駒沢克己 | 15.11.39–15.10.41 |
| Capt Nagai Mitsuru (45) | 長井 満 | 15.10.41–05.04.42 |
| Capt Oda Tamekiyo (43) | 小田為清 | 05.04.42–17.09.43 |
| Capt Kijima Moritsugu (44) | 貴島盛次 | 17.09.43–28.12.43 |
| Capt Teraoka Masao (46) | 寺岡正雄 | 28.12.43–24.07.44 |
| Capt Mizobatane Sadaichi (46) | 溝畠定一 | 24.07.44–15.10.45 |
| Capt Sugitani Nagahide (51) | 杉谷永秀 | 15.10.45–15.08.46 |
| Heian Maru 平安丸 ルマ ンアイヘ | ||
| Heian Shrine, Kyoto | ||
| Class: Hikawa Maru | ||
| Call Sign: JGZC | ||
| Builder: Osaka Iron Works, Sakurajima | ||
| Ordered by Nippon Yusen KK. | ||
| Laid Down: | 19.06.1929 | |
| Launched: | 16.04.1930 | |
| Completed as passenger-cargo liner (11,622 GRT): | 29.11.1930 | |
| Requisitioned | 03.10.1941 | |
| Service: | ||
| Civilian liner, Nippon Yusen K.K. (NYK) Line | 24.11.30–03.10.41 | |
| Requisitioned | 03.10.1941 | |
| Yokosuke ND | 03.10.41–15.10.41 | |
| Yokosuke ND converting to submarine tender | 15.10.41–30.12.41 | |
| 1st SubRon, 6th Fleet | 15.12.41–15.01.44 | |
| 6th Fleet | 15.01.44–31.03.44 | |
Fate: Sunk 17.02.44 at 09:30 by aircraft from US TF 58 at Truk (07°23'N, 151°52'E). 18 dead; ? saved. | ||
| Removed from Navy List | 31.03.1944 | |
| Commanding Officers | ||
| Civilian captains | 24.11.30–03.10.41 | |
| Capt Harada Bunichi (33) | 原田文一 | 15.10.41–10.11.42 |
| Capt Sekimoto Orinosuke (38) | 関本織之助 | 10.11.42–01.11.43 |
| Capt Tamaki Toshiharu (36) | 玉城利治 | 01.11.43–18.02.44 |
| Hie Maru 日枝丸 ルマ エヒ
[Spelling of Hiye Maru was changed to Hie Maru in 1938] | ||
| Hie Shrine, Tokyo | ||
| Class: Hikawa Maru | ||
| Call Sign: JGYC | ||
| Builder: Yokohama Dock Co | ||
| Ordered by Nippon Yusen KK. | ||
| Laid Down: | 25.05.1929 | |
| Launched: | 12.02.1930 | |
| Completed as liner Hiye Maru (11,621 GRT): | 31.07.1930 | |
| Service: | ||
| Civilian, Nippon Yusen K.K. (NYK) liner | 24.11.30–26.11.41 | |
| Requisitioned | 26.11.1941 | |
| Yokosuka ND, as auxiliary submarine tender | 26.11.41–09.03.42 | |
| Yokosuka ND converting to submarine tender | 10.03.42–25.04.42 | |
| 8th SubRon, 6th Fleet | 10.04.42–01.10.43 | |
| Yokosuka ND, as transport | 01.10.43–17.11.43 | |
Fate: Sunk 17.11.43 at 17:30 by USS Drum (SS-228) 385 miles SW of Truk (01°45'N, 148°45'E). ? dead; ? saved. | ||
| Removed from Navy List | 05.01.1944 | |
| Commanding Officers: | ||
| Civilian captains | 24.11.30–26.11.41 | |
| Capt Shinoda Kiyohiko (43) | 篠田清彦 | 15.02.42–29.01.43 |
| Capt Arima Tadashi (36) | 有馬 直 | 29.01.43–16.08.43 |
| Capt Harada Bunichi (35) | 原田文 | 16.08.43–17.11.43 |
| Jingei 迅鯨 イジン | ||
| Fast Whale | ||
| Class: Jingei | ||
| Call Sign: JRQA | ||
| Builder: Mitsubishi, Nagasaki | ||
| Ordered under 1920–28 Fleet Program: | 1920 | |
| Laid Down: | 16.02.1922 | |
| Lunched: | 04.05.1923 | |
| Completed: | 20.08.1923 | |
| Service: | ||
| 1st SubRon, 1st Fleet | 01.12.24–15.11.33 | |
| 2nd SubRon, 2nd Fleet | 15.11.33–15.11.34 | |
| Reserve | 15.11.34–15.11.35 | |
| 1st SubRon, 1st Fleet | 15.11.35–01.12.36 | |
| 2nd SubRon, 2nd Fleet | 01.12.36–01.12.37 | |
| 1st SubRon, 1st Fleet | 01.12.37–15.09.38 | |
| 5th Fleet | 15.09.38–15.12.38 | |
| Reserve | 15.12.38–15.11.39 | |
| Kure NDF, Otake Sub School | 15.11.39–15.11.40 | |
| 7th SubRon, 4th Fleet | 15.11.40–31.12.42 | |
| 7th SubRon, 8th Fleet | 14.07.42–05.01.43 | |
| Kure NDF | 05.01.43–01.12.43 | |
| Kure SubRon, Kure NDF, | 01.12.43–10.11.44 | |
Fate: Sunk 10.10.44 by aircraft from US Navy TF 38 some 28 miles NNW Naha, Okinawa (26°39'N, 127°52'E). 100 dead; ? saved. | ||
| Removed from Navy List | 10.11.1944 | |
| Commanding Officers: | ||
| Capt Kumashiro Moritsugu (28) | 神代護次 | 01.05.23–01.12.24 |
| Capt Takasaki Chikateru (30) | 高崎親輝 | 01.12.24–20.10.25 |
| Capt Takita Yoshio (31) | 滝田吉郎 | 20.10.25–01.11.26 |
| Capt Komori Kichisuke (31) | 小森吉助 | 01.11.26–15.11.27 |
| Capt Wanami Hoichi (32) | 和波豊一 | 15.11.27–10.12.28 |
| Capt Kawamura Shigemoto (33) | 河村重幹 | 10.12.28–03.10.29 |
| Capt Idemitsu Manbei (33) | 出光万兵衛 | 03.10.29–30.11.29 |
| Capt Teramoto Takeji (33) | 寺本武治 | 30.11.29–15.11.30 |
| Capt Osaki Yoshio (35) | 大崎義雄 | 15.11.30–14.11.31 |
| Capt Komatsu Teruhisa (37) | 小松輝久 | 14.11.31–01.12.32 |
| Capt Sukigara Tamazo (37) | 鋤柄玉造 | 01.12.32–20.10.33 |
| Capt Higuchi Shuichiro (37) | 樋口修一郎 | 20.10.33–15.11.35 |
| Capt Minowa Nakai (38) | 蓑輸中五 | 15.11.35–01.12.36 |
| Capt Oka Takazumi (39) | 岡 敬純 | 01.12.36–01.12.37 |
| Capt Koda Takero (41) | 古宇田武郎 | 01.12.37–15.12.38 |
| Capt Yamazaki Sukeichi (39) | 山崎助一 | 15.12.38–14.11.39 |
| Capt Watanabe Seishichi (42) | 渡辺清七 | 14.11.39–19.10.40 |
| Capt Sato Shiro (43) | 佐藤四郎 | 19.10.40–10.04.42 |
| Capt Okura Tomesaburo (43) | 大倉留三郎 | 10.04.42–08.09.43 |
| Capt Sato Keizo (42) | 佐藤慶蔵 | 08.09.43–05.02.44 |
| Capt Oyama Toyojiro (47) | 大山豊次郎 | 05.02.44–10.10.44 |
| Komahashi 駒橋 シハマコ | ||
| Class: Komahashi | ||
| Call Sign: ? | ||
| Builder: Kure Naval Shipyard | ||
| Ordered under 1911 Program: | 1911 | |
| Laid Down: | 07.10.1912 | |
| Launched: | 21.05.1913 | |
| Completed as freighter Komahashi Maru (1,250 GTR): | 20.01.1914 | |
| Service: | ||
| Converted to Submarine Depot Ship Komahashi | 16.08.1914 | |
| DesDiv 4 | 16.08.14– | |
| Redesignated as Torpedo Depot Ship | 1920 | |
| Redesignated as Submarine Depot Ship | 12.24 | |
| Redesignated as Survey Vessel | 1933 | |
| 3rd Fleet | 19.08.37–10.10.37 | |
| China Area Fleet | 10.10.37– | |
| 5th Fleet, redesignated Midget-Submarine Tender | 20.07.42–01.11.42 | |
| Yokosuka ND | 01.11.42– | |
| 3rd Maritime Escort, Yokosuka ND | 20.05.44–15.04.45 | |
| 4th Special Attack Sqdn, Yokosuka ND | 15.04.45– | |
Fate: Sunk 27.07.45 by aircraft of US Navy TF 38 in Owase Bay, Honshu. ? dead; ? saved. Salvaged and scrapped 1947. | ||
| Removed from Navy List | 20.11.1945 | |
| Commanding Officers: | ||
| LtCdr Kumashiro Moritsugu (28) | 神代護次 | 16.08.14–13.12.15 |
| Cdr Fukuda Ichiro (26) | 福田一郎 | 13.12.15–01.12.16 |
| Cdr Otawara Susumu (26) | 太田原達 | 01.12.16–01.12.17 |
| Cdr Taguchi Shigeki (29) | 田口刺戟 | 01.12.17–10.11.18 |
| Cdr Mashiko Rokuya (30) | 益子六弥 | 10.11.18–15.02.19 |
| Cdr Fukuda Ichiro (26) | 福田一郎 | 15.02.19–10.07.19 |
| Cdr Mashiko Rokuya (30) | 益子六弥 | 10.07.19–01.10.19 |
| LtCdr Yoshiyama Hyakuri (32) | 吉山百重 | 01.10.19–01.11.19 |
| Cdr Mashiko Rokuya (30) | 益子六弥 | 01.11.19–01.12.19 |
| Cdr Motouchi Tatsuzo (31) | 本内達蔵 | 01.12.19–06.09.19 |
| Cdr Furukawa Ryouichi (31) | 古川良一 | 06.09.19–01.12.19 |
| Cdr Kamimoto Kunitaro (31) | 神本国太郎 | 01.12.19–20.12.21 |
| Cdr Kawamura Giichiro (32) | 河村儀一郎 | 01.12.21–08.04.22 |
| Cdr Wanami Hoichi (32) | 和波豊一 | 08.04.22–01.12.22 |
| Cdr Uematsu Toma (33) | 植松練磨 | 01.12.22–01.04.23 |
| ? | 01.04.23–01.12.23 | |
| Cdr Mori Shigeji (33) | 森 繁二 | 01.12.23–01.12.24 |
| Cdr Chiya Sadae (34) | 干谷定衛 | 01.12.24–16.12.24 |
| Cdr Hoshino Shuichi (35) | 星埜守一 | 16.12.24–21.09.25 |
| Cdr Watanabe Tsutomu (34) | 渡辺安尚 | 21.09.25–01.12.26 |
| Cdr Hatano Jiro (34) | 波多野二郎 | 01.12.26–01.12.27 |
| Cdr Inoue Katsuzumi (34) | 井上勝純 | 01.12.27–10.08.28 |
| Cdr Kashii Tetsujiro (34) | 番椎哲二郎 | 10.08.28–10.12.28 |
| Cdr Matsuda Genjiro (34) | 松田源次郎 | 10.12.28–30.11.29 |
| Capt Sato Koichi (35) | 佐藤康逸 | 30.11.29–15.01.30 |
| Cdr Suzuki Kozo (36) | 鈴木幸三 | 15.01.30–01.12.30 |
| Cdr Nomi Rasu (36) | 能美留寿 | 01.12.30–01.12.31 |
| Cdr Yamada Seizo (37) | 山田省三 | 01.12.31–20.06.32 |
| ? | 20.06.32–01.12.32 | |
| Capt Shitabo Sadakichi (39) | 下坊定吉 | 01.12.32–15.11.35 |
| Capt Kishindo Saburo (40) | 岸人三郎 | 15.11.35–22.07.37 |
| ? | 22.07.37–22.11.37 | |
| Capt Yamazaki Sadanao (42) | 山崎貞直 | 22.11.37–10.11.38 |
| Capt Soma Shinshiro (42) | 相馬信四郎 | 10.11.38–15.11.39 |
| Capt Shimizu Shousen (43) | 清水正心 | 15.11.39–07.10.40 |
| Capt Kato Buntaro (43) | 加藤文太郎 | 07.10.40–01.04.41 |
| Capt Yamagata Masaji (43) | 山形政二 | 01.04.41–31.01.42 |
| Cdr Ono Amane (47) | 大野 周 | 31.01.42–02.04.45 |
| LtCdr Mizutani Katsuji (R ) | 水谷勝二 | 02.04.45–02.09.45 |
| Nachi Maru 那智丸
[Renamed Nati Maru. Kanji remains unchanged.] | ||
| Call Sign: JNAH | ||
| Builder: Mitsubishi Heavy Industries, Kobe | ||
| Ordered by Osaka Shosen K.K. | ||
| Laid Down: | 03.05.1926 | |
| Launched: | 09.10.1926 | |
| Completed as passenger/cargo ship (1,605 GRT): | 20.12.1926 | |
| Service: | ||
| Civilian, Osaka Shosen K.K. Line, then sold | 20.12.26–04.05.42 | |
| Civilian, Kansai Kisen, K.K., Osaka | 04.05.42–21.01.43 | |
| Requisitioned and converted to gunboat | 21.01.43–21.03.43 | |
| Kure ND as gunboat | 21.01.43–01.45 | |
| Auxiliary to submarine tender | 01.45–20.01.45 | |
| Kure SubRon as submarine tender | 20.01.45–02.09.45 | |
| Allied Repatriation Service | 1945–1947 | |
Fate: 02.09.45 surrendered. Returned to commercial service 08.47. Scrapped 30.04.60. | ||
| Removed from Navy list: | 03.05.1947 | |
| Commanding Officers: | ||
| Civilian captains | 20.12.26–21.01.43 | |
| ? | 21.01.43– | |
| LtCdr Shimada Suetsugu (Reserve) | 20.09.44– | |
| Nagoya Maru 名古屋丸 ルマヤゴナ | ||
| City of Nagoya | ||
| Call Sign: JJDE | ||
| Builder: Mitsubiahi Heavy Industries, Nagoya | ||
| Ordered by Nanyo Kaiun K.K. | ||
| Laid Down: | 01.09.1931 | |
| Launched: | 05.05.1932 | |
| Completed as passenger liner (6,072 GRT): | 05.08.1932 | |
| Service: | ||
| Civilian, Ishihara Sangyo Kaisha (ISK), Fuchu | 05.08.32–22.06.35 | |
| Civilian, Nanyo Kaiun K.K. (KKK) | 22.06.35–20.01.41 | |
| Requisitioned as Submarine Depot Ship | 20.01.1941 | |
| Kure ND | 20.01.41–01.11.41 | |
| 4th SubRon, Combined Fleet | 01.11.41–10.03.42 | |
| Kure ND, converting to aircraft transport | 10.03.42–01.05.42 | |
| Kure ND | 01.05.42–13.06.42 | |
| 11th Air Fleet, as AVT | 13.06.42–24.12.42 | |
| 11th Air Fleet, SE Area Fleet | 24.12.42–01.01.44 | |
| Kure ND, rerated as transport ship | 01.01.44–10.03.44 | |
Fate: Sunk 01.01.44 by USS Herring (SS-233) off Aogashima, 100 nm SW of Hachijojima (32°15'N, 138°02'E). 121 dead; ? saved. | ||
| Removed from Navy List | 10.03.1944 | |
| Commanding Officers: | ||
| Civilian captains | 05.08.32–20.01.41 | |
| ? | 20.01.41–01.03.41 | |
| Capt Hashimoto Aiji (39) | 橋本愛次 | 01.03.41–18.08.41 |
| Capt Koda Yoshio (35) | 神田嘉穂 | 18.08.41–19.12.42 |
| Capt Kusagawa Kiyoshi (38) | 草川 淳 | 19.12.42–10.01.44 |
| Rio de Janeiro Maru ヒオ･ディ ジャネイロ丸 | ||
| City of Rio de Janeiro, Brazil | ||
| Class: Rio de Janeiro | ||
| Call Sign: JISC | ||
| Builder: Mitsubishi Heavy Industries, Nagoya | ||
| Ordered by Osaka Shosen KK;Osaka | ||
| Laid Down: | 16.05.1929 | |
| Launched | 19.11.1929 | |
| Completed as passenger liner (9,627 GRT): | 15.05.1930 | |
| Service: | ||
| Civilian, Osaka Shosen KK;Osaka | 15.05.30–08.10.40 | |
| Requisitioned: | 08.10.1940 | |
| Kure ND, Auxiliary to transport | 19.10.40–30.11.40 | |
| Sasebo ND | 01.11.40–25.03.41 | |
| Banshu, Hyogo, conversion to submarine tender | 25.03.41–07.05.41 | |
| Sasebo ND | 07.05.41–24.11.41 | |
| 5th SubRon, Combined Fleet | 24.11.41–10.07.42 | |
| SW Area Fleet | 10.07.42–16.03.43 | |
| 2nd Southern Exp Fleet, SW Area Fleet | 16.03.43–15.09.43 | |
| Sasebo ND, after rerating as transport | 15.09.43–17.02.44 | |
Fate: Sunk 18.02.44 at 03:00 by aircraft from US Navy TF 38 at Truk (7°20'N, 151°53'E). ? dead; ? saved. | ||
| Removed from Navy List | 31.03.1944 | |
| Commanding Officers: | ||
| Civilian captains | 25.05.30–07.10.40 | |
| Capt Murase Raiji (38) | 村瀬頼治 | 25.03.41–07.05.42 |
| Capt Ohashi Tatsuo (40) | 大橋竜男 | 07.05.42–05.12.43 |
| *Capt Kanemasu Yoshio (40) | 金枡義夫 | 05.12.43–17.02.44 |
| Santos Maru さんとす丸 ストンサ | ||
| City of Santos, Brazil | ||
| Class: Santos Maru | ||
| Call Sign: JCIB | ||
| Builder: Mitsubishi, Nagasaki | ||
| Ordered by Osaka Shosen Kaisha Kisan. | ||
| Laid Down: | 05.01.1925 | |
| Launched: | 05.09.1925 | |
| Completed as liner Santos Maru (7,266 GRT): | 10.12.1925 | |
| Service: | ||
| Civilian, Osaka Shosen Kaisha Kisan (OSK Line) | 10.12.25–01.03.41 | |
| Requisitioned | 01.03.1941 | |
| Yokusuka ND, converting to submarine tender | 31.03.41–13.05.41 | |
| Yokusuka ND | 01.03.41–11.08.41 | |
| SubRon 2, 6th Fleet | 11.08.41–20.08.42 | |
| Kure ND | 20.08.42–01.09.42 | |
| Kure SubRon, Kure ND | 01.09.42–25.03.43 | |
| Rerated as transport, renamed Manju Maru | 25.03.1943 | |
| Yokosuka ND | 23.03.43–10.01.45 | |
Fate: Sunk 25.11.44 at 05:16 by USS Atule (SS-403) in Luzon Strait (20°14'N, 121°40'E). 724 dead; ? saved. | ||
| Removed from Navy List | 10.01.1945 | |
| Commanding Officers: | ||
| Civilian captains | 10.12.25–01.03.41 | |
| Capt Kiyama Tatsuo (42) | 木山辰雄 | 01.03.41–12.03.41 |
| Capt Matsubara Hiromi (39) | 松原寛三大佐 | 15.03.41–11.08.40 |
| Capt Seki Tei (36) | 関 禎 | 11.08.41–18.11.42 |
| Capt Imaizumi Yoshijiro (44) | 今和泉喜次郎 | 08.11.42–25.03.43 |
| ? | 25.03.43–25.11.44 | |
| Taigei 大鯨 | ||
| Great Whale | ||
| Class: Taigei | ||
| Call Sign: ? | ||
| Ordered under Supplemantary Estimates: | 1933 | |
| Builder: Yokosuka Navy Yard | ||
| Laid Down: | 12.04.1933 | |
| Lauched: | 16.11.1933 | |
| Completed as Taigei: | 31.03.1935 | |
| Service as submarine tender Taigei: | ||
| Kure ND, Sub. School, Otake (Training Ship) | 15.11.35–01.12.36 | |
| 23rd Air Div as Submarine Tender | 19.08.37–15.08.38 | |
| 1st SubRon, 1st Fleet | 15.08.38–15.11.39 | |
| 3rd SubRon, 2nd Fleet | 15.11.39–15.11.40 | |
| 3rd SubRon, 6th Fleet | 15.11.40–15.12.41 | |
| Kure Navy Yard | 15.12.41–30.11.42 | |
| Service as as light aircraft carrier Ryuho: | ||
| Renamed Ryuho and converted to aircraft carrier | 21.12.41–28.11.42 | |
| 3rd Fleet | 28.11.42–15.01.43 | |
| 50th Carrier Air Group, 3rd Fleet | 15.01.43–12.06.43 | |
| 2nd CarRon, 3rd Fleet | 12.06.43–10.07.44 | |
| 1st CarRon, 3rd Fleet | 10.07.44–10.08.44 | |
| 4th CarRon, 3rd Fleet | 10.08.44–15.11.44 | |
| 1st CarRon, Combined Fleet | 15.11.44–10.02.45 | |
| Combined Fleet | 10.02.45–20.04.45 | |
| Kure ND in Reserve | 20.04.45–30.11.45 | |
Fate: Heavily damaged 19.03.45 by aircraft from US Navy TF 58 in Kure harbor. Not repaired. Surrendered damaged 02.09.45. Scrapped 1946 in Kure. | ||
| Removed from Navy List | 30.11.1945 | |
| Commanding Officers: | ||
| Capt Sukigara Tamazo (37) | 鋤柄玉造 | 20.10.33–15.11.34 |
| Capt Takasu Sanjiro (37) | 高須三二郎 | 15.11.34–15.11.36 |
| Capt Moizumi Shinichi (37) | 茂泉慎一 | 16.11.36–01.12.36 |
| Capt Minowa Nakai (38) | 蓑輸中五 | 01.12.36–15.11.37 |
| Capt Mori Tokuji (40) | 森 徳治 | 15.11.37–25.05.38 |
| Capt Nakazato Ryuji (39) | 中里隆治 | 25.05.38–15.12.38 |
| Capt Harada Kaku (41) | 原田 覚 | 15.12.38–15.11.39 |
| Capt Nakamura Motoji (39) | 中邑元司 | 15.11.39–10.04.41 |
| Capt Okura Tomasaboro (43) | 大倉留三郎 | 10.04.41–10.11.41 |
| Capt Kiyama Tatsuo (42) | 木山辰雄 | 10.11.41–23.04.42 |
| Capt Soma Shinshiro (42) | 相馬信四郎 | 23.04.42–30.11.43 |
| Capt Kamei Yoshio (46) | 亀井凱夫 | 30.11.43–16.03.44 |
| Capt Matsuura Yoshi (49) | 松浦 義 | 16.03.44–20.01.45 |
| Capt Takahashi Chojuro (49) | 橋 長十郎 | 20.01.45–20.04.45 |
| Probably no commander appointed | 20.04.45–30.11.45 | |
| Tsukushi Maru 筑紫丸 ルマ シクツ | ||
| Former Tsukushi province of Kyushu | ||
| Call Sign: ? | ||
| Builder: Kawasaki Shipbuilding Co, Kobe | ||
| Laid Down: | 20.06.1940 | |
Delivered: Fitting out is delayed owing to other more critical demands on the shipbuilder. Not finally delivered until completion of the conversion in March 1943. | ||
| Requisitioned under construction and converted to submarine tender: | 03.1943 | |
| Service: | ||
| Kure ND | 25.03.43–01.04.43 | |
| Kure SubRon, Kure ND | 01.04.43–25.11.43 | |
| 11th SubRon, 1st Fleet | 25.11.43–20.07.44 | |
| 11th SubRon, 6th Fleet | 20.07.44–20.01.45 | |
| 6th Fleet | 20.01.45–02.09.45 | |
| Allied Repatriation Service after repair | 1946–1947 | |
Fate: 02.09.45 surrendered damaged. Returned to Osaka Shosen KK, the original owner, in 1947. Scrapped 1953. | ||
| Removed from Navy List | 26.10.1945 | |
| Commanding Officers: | ||
| Capt Seki Tei (36) | 関 禎 | 15.01.43–01.05.43 |
| Capt Mizobatane Sadaichi (46) | 溝畠定一 | 01.05.43–27.07.44 |
| Capt Takahashi Chojuro (49) | 高橋 長十郎 | 27.07.44–10.01.45 |
| Capt Sekimoto Orinosuke (38) | 関本織之助 | 10.01.45–02.09.45 |
| Yasukuni Maru 靖国丸 ルマ ニクスヤ | ||
| Shinto Yasukuni shrine in Chiyoda | ||
| Call Sign: JRZB | ||
| Builder: Mitsubishi Zosenho, Nagoya | ||
| Ordered by Nippon Yusen KK: | ||
| Laid Down: | 15.02.1930 | |
| Launched: | 31.08.1930 | |
| Completed as passenger liner (11,933 GRT): | 22.09.1930 | |
| Requisitioned 29.10.40 | ||
| Service: | ||
| Civilian, Nippon Yusen KK | 22.09.30–16.12.40 | |
| Kure ND as Submarine Depot Ship | 16.12.40–11.01.41 | |
| 1st SubRon, 6th Fleet | 11.01.41–15.12.41 | |
| 4th SubRon, 6th Fleet | 15.12.41–10.04.42 | |
| 3rd SubRon, 6th Fleet | 10.04.42–10.03.44 | |
Fate: Sunk 31.01.44 at 0403 by USS Trigger (SS-237) 300 miles NW of Truk (09°15'N, 147°13'E). 1,188 dead; 43 saved. | ||
| Removed from Navy List | 10.03.1944 | |
| Commanding Officers: | 22.09.30–16.12.40 | |
| Civilian captains | 11.01.41–01.05.42 | |
| Capt Sekimoto Orinosuke (38) | 関本織之助 | 11.01.41–01.05.42 |
| Capt Mori Ryo (38) | 毛利 良 | 01.05.42–13.05.43 |
| *Capt Seki Tei (36) | 関 禎 | 13.05.43–31.01.44 |
