Home Page World War II Armed Forces — Orders of Battle and Organizations Last Updated 24.10.2014
Imperial Japanese Navy
Armored Cruisers
(Also referred to as Coast Defense Ships)
In cooperation with Jeff Donahoo
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.
Iwate    磐手    ワイ  
Iwate Prefecture  
   Class: Iwate  
   Call Sign: JUZA  
   Builder: Armstrong, England  
   Ordered under the Post-War Program of 1896–7:1897
   Laid Down: 11.18.1898
   Launched: 29.03.1900
   Completed: 31.03.1901
   Service:  
      Main Battle Fleet, Russo-Japanese War1904–1905
      Rerated as 1st Class Coast Defense Ship1921
      Training Ship1923
      ?  
      3rd China Exp, China Area Fleet 00.11.41–15.01.42
      Rerated as 2nd Class Cruiser1942
      Kure ND 15.01.42 –
      Rerated as Training Ship1943
Fate:  25.07.45 sunk by US TF-38 aircraft at Kure (34°14'N, 132°30'E). Broken up 1947.
   Removed from Navy List 30.11.1945
   Commanding Officers:  
      Capt Yamada Hikohachi (5)山田彦八17.06.99–17.05.01
      Capt Taketomi Kunikane (–) 06.07.01–12.01.05
      Capt Kawashima Reijiro (11)川島令次郎12.01.05–02.02.06
      Capt Yamashita Gentaro (10)山下源太郎02.02.06–22.11.06
      Capt Arima Ryokitsu (12)有馬良橘22.11.06–27.12.06
      Capt Ishida Ichiro (11)石田一郎27.12.07–15.09.08
      Capt Mano Iwajiro (12–Resv) 15.09.08–04.03.09
      Capt Kitano Katsuya (12)北野勝也04.03.09–01.12.10
      Capt Matsuoka Shuzo (14)松岡修蔵01.12.10–23.05.11
      Capt Hashimoto Matakichiro (13)橋本又吉郎23.05.11–01.12.11
      Capt Hara Seigo (13)原　静吾13.07.12–07.03.13
      Capt Yamaguchi Kujuro (13)山口九十郎07.03.13–04.05.13
      Capt Uemura Tsunekichi (14)上村行敏24.05.13–13.08.13
      Capt Ide Kenji (16)井出謙治13.08.13–01.12.13
      Capt Hirose Koki (17)広瀬弘毅01.12.13–27.10.14
      Capt Yamaguchi Ei (17)山口　鋭27.10.14–01.04.15
      ? 01.04.15–19.07.15
      Capt Hyakutake Saburo (19)百　武三郎19.07.15–01.12.16
      Capt Nakazato Shigetsugu (20)中里重次01.12.16–15.08.18
      Capt Tsukudo Jiro (24)筑土次郎15.08.18–20.11.19
      Capt Torisaki Yasuzo (27)鳥崎保三20.11.19–21.06.21
      Capt Odera Ryokichi (27)大寺量吉20.11.21–05.03.23
      Capt Yonai Mitsumasa (29)米内光政05.03.23–18.07.24
      Capt Yasumi Saburo (29)八角三郎18.07.24–01.11.24
      Capt Ishikawa Kiyoshi (30)石川　清01.11.24–01.05.25
      Capt Kondo Naotaka (30)近藤直方01.05.25–10.07.25
      Capt Ishikawa Kiyoshi (30)石川　清10.07.25–01.12.25
      Capt Edahara Yurikazu (31)枝原百合一01.12.25–15.09.26
      Capt Isumi Kizo (31)亥角喜蔵15.09.26–30.06.27
      Capt Nagano Osami (28)永野修身 No30.06.27–10.12.28
      Capt Suzuki Giichi (32)鈴木義一10.12.28–24.12.29
      Capt Inoue Katsuzumi (34)井上勝純24.12.29–01.12.30
      Capt Shiraishi Kunio (35)白石邦夫01.12.30–01.04.31
      Capt Okada Shunichi (35)岡田偆一01.04.31–26.09.32
      Capt Suzuki Kasuke (36)鈴木嘉助26.09.32–25.08.33
      Capt Hara Kiyoshi (38)原　　清25.08.33–01.09.34
      Capt Fujimori Seiichiro (37)藤森清一郎01.09.34–15.11.34
      Capt Yamada Seizo (37)山田省三15.11.34–16.11.35
      Capt Kakuta Kakuji (39)角田覚治15.11.35–01.12.36
      Capt Daigo Tadashige (40)醍醐忠重01.12.36–01.12.37
      Capt Ichinose Shinichi (41)一瀬信一01.12.37–15.07.38
      Capt Koyanagi Tomiji (42)小柳冨次15.07.38–28.01.39
      Capt Iwagoe Kanki (38)岩越寒季28.01.39–01.05.39
      Capt Ogata Masaki (41)緒方真記01.05.39–27.12.39
      ?  27.12.39–10.11.40
      Capt Owada Noboru (44)大和田　昇10.11.40–06.01.41
      Capt Oka Tsuneo (41)岡　恒夫06.01.41–25.05.42
      Capt Matsumoto Takeji (45)松本　毅25.05.42–05.09.42
      ? 05.09.42–07.10.42
      Capt Murayama Seiroka (42)村山清六07.10.42–18.02.43
      Capt Inose Masamori (40)猪瀬正盛18.02.43–08.11.43
      Capt Oishi Kenshiro (42)大石堅志郎08.11.43–25.03.44
      Capt Okada Yusaku (47)岡田有作25.03.44–06.01.45
      ? 06.01.45–13.04.45
      Capt Shimizu Takeo (47) 13.04.45–02.09.45
          Shimizu Takemi? (as Idzumo?)島居威美 
Izumo    出雲    モズイ  (Sometimes spelled Idzumo) 
The Central Land of the Reed Plains  
   Class: Iwate  
   Call Sign: JUYA  
   Builder: Armstrong, England  
   Ordered under the Post-War Program of 1896–7:1897
   Laid Down: 00.05.1898
   Launched: 19.09.1898
   Completed: 25.07.1901
   Service:  
      Main Battle Fleet, Russo-Japanese War1904–1905
      Flagship of Adm. Kamimura at Tsushima1905
     ?      ?
      Training Squadron 20.08.1921
      Rerated a 1st Class Coast Defense Ship. 01.09.1921
      Rerated a Coast Defense Ship. 01.06.1931
      Flagship of the China Fleet1932–1942
      3rd Fleet, China Area Fleet 02.02.1932
      1st Squadron, 2nd China Exp. Fleet 00.09.41–10.04.42
      China Area Fleet 10.04.42–20.02.44
      Rerated as 1st Class Cruiser07.42
      Rerated as Training Ship1943
      Kure Training Squadron 20.02.1944
Fate:  28.07.45 sunk at 17:00 by aircraft of USSWasp (CV-18) off Etajima (34°14'N, 132°30'E). Broken up in 1947.
   Removed from Navy List 20.11.1945
   Commanding Officers:  
      Capt Misu Sotaro (5)三須宗太郎03.12.98–29.09.99
      Capt Inoue Toshio (5)井上敏夫29.09.99–12.03.02
      Capt Miyaoka Naoki (6)宮岡直紀12.03.02–26.09.03
      Capt Ijichi Suetaka (7)伊地知季珍26.09.03–02.11.04
      Capt Saito Koshi (7)斎藤孝至02.11.04–12.12.05
      Capt Kato Sadakichi (10)加藤定吉12.12.05–02.02.06
      Capt Nawa Matahachiro (10)名和又八郎02.02.06–12.10.06
      Capt Okumiya Mamoru (10)奥宮　衛12.10.06–05.08.07
      Capt Kamaya Tadamichi (11)釜屋忠道05.08.07–20.02.08
      Capt Yajima Junkichi (12)矢島純吉20.02.08–15.09.08
      Capt Sayama Toyonori (12)茶山豊也15.09.08–22.05.09
      Capt Yamaguchi Kujuro (13)山口九十郎22.05.09–10.07.09
      Capt Takeshita Isamu (15)竹下　勇10.07.09–09.04.10
      Capt Akiyama Saneyuki (17)秋山真之09.04.10–01.10.10
      Capt Sekino Kenkichi (13)関野謙吉01.10.10–23.05.11
      Capt Tadokoro Hiromi (17)田所広海23.05.11–01.12.12
      Capt Takeuchi Jiro (14)竹内次郎01.12.12–12.11.13
      Capt Moriyama Keizaburo (17)森山慶三郎12.11.13–19.11.14
      Capt Mimura Kinsaburo (18)三村錦三郎19.11.14–13.12.15
      Capt Kawada Katsuji (17)河田勝治13.12.15–06.11.16
      Capt Kobayashi Kenzo (19)小林研蔵06.11.16–05.07.18
      Capt Masuda Koichi (23)増田幸一05.07.18–20.11.19
      Capt Miyamura Rekizo (27)宮村暦造20.1119.–15.02.21
      Capt Koizumi Chikaharu (27)小泉親治15.02.21–14.04.21
      Capt Uemura Nobuo (26)植村信男14.04.21–15.04.22
      Capt Hara Kanjiro (28)原　敢二郎15.04.22–01.03.23
      Capt Shiraishi Nobunari (28)白石信成01.03.23–01.05.23
      Capt Sato Minokichi (30)佐藤巳之吉01.05.23–20.11.23
      Capt Shigeoka Nobujiro (30)重岡信治郎20.11.23–01.12.25
      Capt Inoue Tsugumatsu (32)丼上継松01.12.25–01.12.27
      Capt Hirota Minoru (32)広田　穣01.12.27–29.02.28
      Capt Kawana Takeo (34)川名彪雄30.11.29–05.02.30
      Capt Hoshino Shuichi (35)星埜守一05.02.30–02.11.31
      Capt Matsuno Seizo (36)松野省三02.11.31–15.11.32
      Capt Nakamura Shigekazu (37)中村重一15.11.32–15.11.33
      Capt Takasu Sanjiro (37)高須三二郎15.11.33–01.11.34
      Capt Oshima Shiro (36)大島四郎03.11.34–10.07.35
      Capt Iwagoe Kanki (38)岩越寒季10.07.35–15.11.36
      Capt Kamata Michiaki (39)鎌田道章15.11.36–01.12.37
      Capt Oka Arata (40)岡　　新01.12.37–01.09.38
      Capt Harada Seiichi (39)原田清一01.09.38–15.11.39
      Capt Yoshitomi Setsuzo (39)吉富説三15.11.39–01.11.40
      Capt Akiyama Katsuzo (40)秋山勝三01.11.40–13.09.41
      Capt Uozumi Jisaku (42)魚住治策13.09.41–07.10.42
      Capt Murayama Seiroka (42)村山清六07.10.42–12.09.43
      Capt Nishioka Shigeyasu (40)西岡茂泰12.09.43–30.12.43
      Capt Kato Yoshiro (43)加藤興四郎30.12.43–10.08.44
      Capt Kusagawa Kiyoshi (38)草川　淳10.08.44–01.03.45
      Capt Shimazui Takemi (47)島居威美01.03.45–24.07.45
Yakumo    八雲    マクヤ  
Cloudy  
   Class: Yakumo  
   Call Sign: JUWA  
   Builder: Stettiner Vulcan AG, Stettin, Germany  
   Ordered under the Post-War Program of 1896–7:1897
   Laid Down: 31.898
   Launched: 08.07.1899
   Completed as 1st Class Cruiser: 20.06.1900
   Service:  
      Main Battle Fleet, Russo-Japanese War1904–1905
      Reclassified as 1st Class Coast Defence Ship 01.09.1921
      Reclassified as Training Vessel 01.06.1931
      Reclassified as 1st Class Cruiser 01.07.1942
      ?         ?
      1st Fleet, Combined Fleet 05.09.43–01.12.43
      Kure ND 01.12.43–01.10.45
Fate:  Surrendered 02.09.45. Scrapped 01.04.47.
   Removed from Navy List 01.10.1945
   Commanding Officers:  
      Capt Togo Masamichi (4)東郷正路23.03.99–01.11.00
      Capt Tomioka Sadayasu (5)富岡定恭01.11.00–06.07.01
      Capt Yasuhara Kaneji (5)安原金次06.07.01–25.06.03
      Capt Matsumoto Arinobu (7)松本有信25.06.03–02.11.05
      Capt Saito Koshi (7)斎藤孝至 CK02.11.05–07.04.06
      Capt Sendo Taketeru (10)仙頭武央07.04.06–01.07.07
      Capt Tonami Kurakichi (11)外波内蔵吉01.07.07–28.08.08
      Capt Nishiyama Sanechika (8)西山実親28.08.08–10.12.08
      Capt Hideshima Shichisaburo (13)秀島七三郎10.12.08–04.03.09
      Capt Nakano Naoe (15)中野直枝04.03.09–01.12.09
      Capt Imai Kanetane (13)今井兼胤01.12.09–31.01.11
      Capt Eguchi Rinroku (12)江口鱗六31.01.11–21.09.11
      Capt Hara Seigo (13)原　静吾25.10.11–01.12.11
      ? 01.12.11–22.05.12
      Capt Hara Seigo (13)原　静吾22.05.12–13.07.12
      Capt Funakoshi Kajishiro (16)船越揖四郎13.07.12–13.11.12
      Capt Chisaka Tomojiro (14)千坂智次郎13.11.12–01.04.13
      Capt Arakawa Chugo (15)荒川仲吾01.04.13–07.04.14
      Capt Shimodaira Eitaro (17)下平英太郎07.04.14–01.12.14
      Capt Shiraishi Naosuke (17)白石直介01.12.14–19.05.15
      Capt Kuwashima Shozo (20)桑島省三19.05.15–13.12.15
      Capt Yoshida Takeshi (18)吉田孟子13.12.15–01.04.16
      ? 01.04.16–01.08.16
      Capt Saito Shichigoro (20)斉藤七五郎01.08.16–01.12.17
      Capt Tosu Tamaki (25)鳥巣玉樹01.12.17–18.10.18
      Capt Nomura Kichisaburo (26)野村吉三郎18.10.18–10.11.18
      Capt Imaizumi Tetsutaro (25)今泉哲太郎10.11.18–25.11.18
      Capt Omi Heishiro (23)大見丙子郎25.11.18–05.08.19
      Capt Usagawa Tomoyoshi (26)宇佐川知義05.08.19–01.05.19
      Capt Nino Tsukasa (??) 01.05.19–20.11.30
      Capt Ishiwata Takenori (28)石渡武章20.11.19–01.04.21
      Capt Kanesaka Takashi (27)兼阪　隆01.04.21–15.04.22
      Capt Kawai Taizo (27)河合退蔵15.04.22–01.12.22
      Capt Ugawa Wataru (28)宇川　済01.12.22–15.04.24
      Capt Kanoe Saburo (30)鹿江三郎15.04.24–15.04.25
      Capt Kondo Naotaka (30)近藤直方15.04.25–10.07.25
      Capt Ishikawa Kiyoshi (30)石川　清10.07.25–01.12.25
      Capt Uemura Shigeo (31)植村茂夫01.12.25–01.02.27
      ?  01.02.27–01.12.27
      Capt Idemitsu Manbei (33)出光万兵衛01.12.27–01.02.29
      Capt Ishikawa Tetsushiro (33)石川哲四郎01.02.29–01.05.29
      ?  01.05.29–29.11.29
      Capt Tajiri Toshiro (33)田尻敏郎29.11.29–01.08.30
      Capt Sato Saburo (34)佐藤三郎01.08.30–15.10.31
      Capt Niimi Masaichi (36)新見政一15.10.31–15.11.33
      Capt Soejima Daisuke (38)副島大助15.11.33–20.02.34
      Capt Sugiyama Rokuzo (38)杉山六蔵20.02.34–11.09.35
      Capt Chiba Keizo (38)千葉慶蔵11.09.35–15.11.35
      Capt Nakamura Toshihisa (39)中村俊久15.11.35–01.12.36
      Capt Ugaki Matome (40)宇垣　纏01.12.36–01.12.37
      Capt Daigo Tadashige (40)醍醐忠重01.12.37–25.01.38
      Capt Maeda Minoru (41)前田　稔25.01.38–01.07.38
      Capt Abe Kasuke (39)阿部嘉輔01.07.38–20.08.38
      Capt Kondo Yasuichiro (42)近藤泰一郎20.08.38–01.02.39
      Capt Goto Aritomo (38)五藤存知01.02.39–15.05.39
      Capt Yamazaki Shigeaki (41)山崎重暉15.05.39–27.12.39
      Capt Ogata Tsutomu (42)緒方　勉27.12.39–09.07.40
      Capt Asakira Kuni (49)久邇朝融09.07.40–01.11.40
      Capt Yamamori Kamenosuke (45)山森亀之助01.11.40–05.05.42
      Capt Kobe Yuji (45)兄部勇次05.05.42–14.07.42
      Capt Kato Yoshiro (43)加藤興四郎14.07.42–07.43
      Capt Sasaki Ryuhou (40)佐佐木龍鳳07.43–01.12.43
      Capt Teraoka Masao (46)寺岡正雄 ?01.12.43–01.09.44
      Capt Sasaki Ryuhou (40)佐佐木龍鳳01.09.44–00.05.45
      Capt Sato Kozo (18)佐藤皐蔵05.45–
 

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