Appendix A
Status of Major Combatant Ships of Japanese Navy
At the Conclusion of Hostilities
Name Date Commissioned
Prior to 7 December
1941 unless otherwise
indicated)Final Disposition BATTLESHIPS Fuso SUNK 25 October 1944 in Surigao Straits, P.I., by U.S. destroyers Haruna SUNK 28 July 1945 at Kure by U.S. carrier planes Hiyei SUNK 13-14 November 1942 off Savo Is., Solomons, by U.S. fleet units and aircraft Hyuga SUNK 28 July 1945 at Kure by U.S. carrier planes Ise SUNK 28 July 1945 at Kure by U.S. carrier planes Kirishima SUNK 15 November 1942 off Savo Is., Solomons, by U.S. fleet units Kongo SUNK 21 November 1944 of Foochow, China, by U.S. submarine Musashi August 1942 SUNK 25 October 1944 in Sibuyan Sea, P.I., by U.S. carrier planes Mutsu SUNK 8 June 1943 in Hiroshima Bay by accidental explosion Nagato HEAVILY DAMAGED 18 July 1945 at Yokosuka by U.S. carrier planes Yamashiro SUNK 25 October 1944 in Surigao Straits, P.I., by U.S. fleet units Yamato December 1941 SUNK 7 April 1945 off Kyushu by U.S. carrier planes AIRCRAFT CARRIERS Akagi SUNK 4 June 1942 off Midway by U.S. carrier planes Amagi August 1944 HEAVILY DAMAGED 24-28 July 1945 at Kure by U.S. carrier planes
Name Date Commissioned Final Disposition Chitose January 1944 SUNK 25 October 1944 N.E. of Luzon by U.S. carrier planes Chiyoda October 1943 SUNK 25 October 1944 N.E. of Luzon by U.S. carrier planes and fleet units Hayatake
(Junyo)May 1942 HEAVILY DAMAGED 9 December 1944 off Nagasaki; out of action at Sasebo Hiryu SUNK 5 June 1942 off Midway by U.S. carrier planes Hitaka
(Hiyo)July 1942 SUNK 20 June 1944 in Philippine Sea by U.S. carrier planes Hosho SUNK, lightly damaged, in Japan area Kaga SUNK 4 June 1942 off Midway by U.S. carrier planes Kasagi Not commissioned Under camouflage at Sasebo; fitting out discontinued Katsuragi October 1944 HEAVILY DAMAGED 24-28 July 1945 at Kure by U.S. carrier planes Ryuho November 1942 HEAVILY DAMAGED 19 March 1945 at Kure by U.S. carrier planes Ryujo SUNK 24 August 1942 off Malaita Is., Solomons, by U.S. carrier planes Shinano November 1944 SUNK 29 November 1944 S. of Honshu by U.S. submarine Shoho December 1941 SUNK 7 May 1942 in Coral Sea by U.S. carrier planes Shokaku SUNK 19 June 1944 off Yap by U.S. submarine Soryu SUNK 4 June 1942 off Midway by U.S. carrier planes and submarine Taiho March 1944 SUNK 19 June 1944 off Yap by U.S. submarine Unryu 1944 SUNK 19 December 1944 in E. China Sea by U.S. submarine Zuiho SUNK 25 October 1944 N.E. of Luzon by U.S. carrier planes Zuikaku SUNK 25 October 1944 N.E. of Luzon by U.S. carrier planes ESCORT AIRCRAFT CARRIERS Chuyo November 1942 SUNK 4 December 1943 S.E. of Honshu by U.S. submarine Kaiyo November 1943 SUNK 24 July 1945 in Beppu Bay, Japan, by U.S. carrier planes Jinyo December 1943 SUNK 17 November 1944 in S. Yellow Sea by U.S. submarine
Name Date Commissioned Final Disposition Otaka 1942 SUNK 18 August 1944 N.W. of Luzon by U.S. submarine Unyo 1942 SUNK 16 September 1944 in S. China Sea by U.S. submarine HEAVY CRUISERS Aoba SUNK 28 July 1945 at Kure by U.S. carrier planes Ashigara SUNK 8 June 1945 S.E. of Singapore by British submarine Atago SUNK 23 October 1944 off Palawan, P.I., by U.S. submarine Chikuma SUNK 25 October 1944 E. of Samar, P.I., by U.S. carrier planes and fleet units Chokai SUNK 25 October 1944 E. of Samar, P.I., by U.S. carrier planes Furutaka SUNK 11 October 1942 off Savo Is., Solomons, by U.S. fleet units Haguro SUNK 16 May 1945 off Penang by British carrier planes and destroyers Kako SUNK 10 August 1942 off New Ireland by U.S. submarine Kinugasa SUNK 14 November 1942 off Savo Is., Solomons, by U.S. carrier planes Kumano SUNK 25 November 1944 off W. Luzon by U.S. carrier planes Maya SUNK 23 October 1944 off Palawan, P.I., by U.S. submarine Mikuma SUNK 6 June 1942 off Midway Is., by U.S. carrier planes Mogami SUNK 25 October 1944 in Mindanao Sea, P.I., by U.S. fleet units and aircraft Myoko OUT OF ACTION at Singapore; heavily damaged 13 December 1944 S.W. of Saigon by U.S. submarine Nachi SUNK 5 November 1944 in Manila Bay by U.S. carrier planes Suzuya SUNK 25 October 1944 E. of Samar, P.I., by U.S. carrier planes Takao OUT OF ACTION at Singapore; heavily damaged 23 October 1944 off Palawan, P.I., by U.S. submarine Tone SUNK 28 July 1945 at Kure by U.S. carrier aircraft
Name Date Commissioned Final Disposition LIGHT CRUISERS Abukuma SUNK 26 October 1944 off Negros, P.I., by B-24's and fleet units Agano October 1942 SUNK 16 February 1944 No. of Truk by U.S. submarine Isuzu SUNK 7 April 1945 N. of Soembawa, N.E.I., by U.S. submarines Jintsu SUNK 13 July 1943 N. of Kolombangara, Solomons, by U.S. fleet units Kinu SUNK 26 October 1944 S.W. of Masbate, P.I., by U.S. carrier planes Kiso SUNK 13 November 1944 in Manila Bay by U.S. carrier planes Kitagami HEAVILY DAMAGED 24-28 July 1945 off Kure by U.S. carrier planes Kuma SUNK 11 January 1944 off Penang by British submarine Nagara SUNK 7 August 1944 W. of Kyushu by U.S. submarine Naka SUNK 17 February 1944 S.W. of Truk by U.S. carrier planes Natori SUNK 18 August 1944 E. of Samar, P.I., by U.S. submarine Noshiro SUNK 26 October 1944 N.W. of Panay, P.I., by U.S. carrier planes Oi SUNK 19 July 1944 in S. China Sea by U.S. submarine Oyodo February 1943 SUNK 28 July 1945 at Kure by U.S. carrier planes Sakawa November 1944 In Japan Sendai SUNK 2 November 1943 W. of Bougainville, Solomons, by U.S. fleet units Tama SUNK 25 October 1944 N.E. of Luzon by U.S. submarine Tatsuta SUNK 14 March 1944 off Yokohama by U.S. submarine Tenryu SUNK 18 December 1942 in Bismarck Sea by U.S. submarine Yahagi December 1943 SUNK 7 April 1945 off Kyushu by U.S. carrier planes Yubari SUNK 27 April 1944 S. of Palau by U.S. submarine Yura SUNK 25 October 1942 off Santa Isabel, Solomons, by U.S. planes
Name Date Commissioned Final Disposition TRAINING CRUISERS Kashii SUNK 12 January 1945 in S. China Sea by U.S. carrier planes Kashima In Japan Katori SUNK 17 February 1944 at Truk by U.S. fleet units and carrier planes DESTROYERS Akatsuki SUNK 13 November 1942 off Savo Is., Solomons, by U.S. cruiser Akebono SUNK 13 November 1944 in Manila Bay by U.S. carrier planes Akigumo 1942 SUNK 11 April 1944 off Zamboanga, Mindanao, by U.S. submarine Akikaze SUNK 3 November 1944 in S. China Sea by U.S. submarine Akishimo 1944 SUNK 13 November 1944 in Manila Bay by U.S. carrier planes Akitsuki 1942 SUNK 22 December 1944 off Omai Saki, Honshu, by U.S. submarine Amagiri SUNK 23 April in Makassar Strait by mine Amatsukaze DESTROYED 6 April 1945 off Amoy by B-25's Arare SUNK 5 July 1942 off Kiska by U.S. submarine Arashi SUNK 6 August 1943 in Vella Gulf, New Georgia, by U.S. destroyers Arashio SUNK 3 March 1943 in Huon Gulf, New Guinea, by U.S. Army bombers Ariake SUNK 28 July 1943 off Cape Gloucester, New Britain, by B-25's Asagao HEAVILY DAMAGED 22 August 1945 near Moji, in Japan Asagiri SUNK 28 August 1942 off Santa Isabel, Solomons, by Marine bombers Asagumo SUNK 25 October 1944 in Surigao Strait by U.S. fleet units Asakaze SUNK 23 August 1944 off Cape Bilinao, Luzon, by U.S. submarine Asanagi SUNK 22 May 1944 N.W. of Bonin Is., by U.S. submarine Asashimo 1943 SUNK 7 April 1945 off Kyushu by U.S. carrier planes Asashio SUNK 3 March 1943 in Huon GUlf, New Guinea by U.S. Army bombers
Name Date Commissioned Final Disposition Ayanami SUNK 15 November 1942 off Savo Is., Solomons, by U.S. fleet units Enoki 1945 HEAVILY DAMAGED 24 July 1945 near Maizuru; in Japan Fubuki SUNK 11 October 1942 off Savo Is., Solomons, by U.S. fleet units Fujinami 1943 SUNK 27 October 1944 S. of Mindoro, P.I., by U.S. carrier planes Fumitsuki SUNK 17 February 1944 at Truk by U.S. carrier planes Fuyo SUNK 20 December 1943 off Manila by U.S. submarine Fuyutsuki 1944 HEAVILY DAMAGED at Moji by mine; decommissioned Hagi DAMAGED; in Japan Hagikaze SUNK 6 August 1943 in Vella Gulf, New Georgia, by U.S. destroyers Hakaze SUNK 23 January 1943 off Steffen Strait, Bismarcks, by U.S. submarine Hamakaze SUNK 7 April 1945 off Kyushu by U.S. carrier planes Hamanami 1944 SUNK 11 November 1944 in Ormoc Bay by U.S. carrier planes Hanatzuki 1945 LIGHTLY DAMAGED; in Japan Harukaze HEAVILY DAMAGED 21 January 1945 at Bako; in Japan Harusame SUNK 8 June 1944 N.W. of Manokwari, New Guinea, by B-25's Harutsuki 1945 In Japan Hasu HEAVILY DAMAGED 16 January 1945 of Hongkong; at Tsingtao Hatakaze SUNK 15 January 1945 in Takao Harbor Hatsuharu SUNK 13 November 1944 in Manila Bay by U.S. carrier planes Hatsukaze SUNK 2 November 1943 W. of Bougainville Is., by U.S. fleet units Hatsume 1945 Not manned; in Japan Hatsushimo SUNK 30 July 1945 in Miyazu Bay Hatsuyuki SUNK 17 July 1943 off Kahili, Bougainville, by U.S. naval and Marine planes Hatsuzakura 1945 In Japan Hatsuzuki 1942 SUNK 25 November 1944 S.W. of Manila by U.S. submarine Hayanami 1943 SUNK 7 June 1944 S.E. of Sibutu passage, P.I., by U.S. submarine
Name Date Commissioned Final Disposition Hayashimo 1944 SUNK 26 October 1944 S.E. of Mindoro, P.I., by U.S. carrier planes Hayashio SUNK 24 November 1942 in Huon Gulf, New Guinea by B-17's Hayate SUNK 11 December 1941 off Wake Is. by shore batteries Hibiki SUNK 29 March 1945 at Himejima; in Japan Hinoki 1944 HEAVILY DAMAGED 5 January 1945 off Manila; in Japan Hokaze SUNK 6 July 1944 in S. Celebes Sea by U.S. submarine Ikazuchi SUNK 13 April 1944 S.W. of Guam by U.S. submarine Inazuma SUNK 14 May 1944 of Tawi Tawi, P.I., by U.S. submarine Isokaze SUNK 7 April 1945 off Kyushu by U.S. carrier planes Isonami SUNK 9 April 1943 in Buton passage, Celebes, by U.S. submarine Iwanami 1944 SUNK 4 December 1944 in S. China Sea by U.S. submarine Kaba 1944 HEAVILY DAMAGED 24 July 1945 in Inland Sea; in Japan Kaede 1944 HEAVILY DAMAGED 31 January 1945 S. of Formosa; in Japan Kagero SUNK 8 May 1943 in Blackett Strait, New Georgia, by mines and aircraft Kaki Not manned; in Japan Kamikaze Operational; at Singapore Karukaya SUNK 10 May 1944 off Manila Bay by U.S. submarine Kashi 1944 HEAVILY DAMAGED 21 January 1945 at Takao; in Japan Kashiwa Not commissioned In Japan Kasumi SUNK 7 April 1945 off Kyushu by U.S. carrier planes Kawakaze SUNK 6 August 1943 in Vella Gulf, New Georgia, by U.S. destroyers Kaya 1944 HEAVILY DAMAGED 27 December 1944 off Mindoro; in Japan Kazegumo 1942 SUNK 8 June 1944 off Davao, Mindanao, P.I., by U.S. submarine Keyaki 1945 Not manned; in Japan
Name Date Commissioned Final Disposition Kikutsuki SUNK 4 May 1942 off Tulagi, Solomons, by U.S. carrier planes Kiri 1944 HEAVILY DAMAGED 12 December 1944 near Leyte; in Japan Kisaragi SUNK 11 December 1941 off Wake Is. by shore batteries Kishinami 1943 SUNK 20 November 1944 in Luzon Strait by U.S. submarine (?) Kiyonami 1943 SUNK 20 July 1943 in Vella Gulf, New Georgia, by U.S. Army and Navy planes Kiyoshimo 1944 SUNK 26 December 1944 off Mindoro, P.I., by U.S. PT's and Army planes Kuretake SUNK 30 December 1944 in Luzon Strait by U.S. submarine Kuri At Tsingtao Kuroshio SUNK 8 May 1943 in Blackett Strait, New Georgia, by mines Kusunoki 1945 At Maizuru; not manned Kuwa 1944 SUNK 3 December 1944 in Ormoc Bay by U.S. destroyers Maikaze SUNK 17 February 1944 N.W. of Truk by U.S. fleet units and carrier planes Maki 1944 HEAVILY DAMAGED 9 December 1944 off Mejima Is.; in Japan Makigumo 1942 SUNK 1 February 1943 off Guadalcanal Is. by mine, PT boat, or aircraft Makinami 1942 SUNK 25 November 1943 N.W. of Buka Is., Solomons, by U.S. destroyers Matsu 1944 SUNK 4 August 1944 N.W. of Bonin Is. by U.S. fleet units Matsukaze SUNK 9 June 1944 E. of Bonin Is. by U.S. submarine Michishio SUNK 25 October 1944 in Surigao Strait by U.S. destroyers Mikatsuki SUNK 28 July 1943 off Cape Gloucester, New Britain, by B-25's Minazuki SUNK 6 June 1944 S. Sibutu passage, P.I., by U.S. submarine Minegumo SUNK 6 March 1943 in Kula Gulf, New Georgia by U.S. fleet units Minekaze SUNK 10 February 1944 E. of Formosa by U.S. submarine Mochizuki SUNK 24 October 1943 E. of New Britain by U.S. Navy patrol bomber
Name Date Commissioned Final Disposition Miomi 1944 SUNK 5 January 1945 S.W. of Manila Bay by U.S. carrier planes Momo 1944 SUNK 15 December 1944 W. of Luzon from unknown cause Murakumo SUNK 12 October 1942 off New Georgia Is. by U.S. carrier planes Murasame SUNK 6 March 1943 in Kula Gulf, New Georgia, by U.S. fleet units Mutsuki SUNK 25 August 1942 off Santa Isabel, Solomons, by B-17's Naganami 1942 SUNK 11 November 1944 in Ormoc Bay by U.S. carrier planes Nagatsuki SUNK 6 July 1943 in Kula Gulf, New Georgia, by U.S. fleet units Namikaze HEAVILY DAMAGED 8 September 1944 in Kuriles; in Japan Nara 1945 HEAVILY DAMAGED 30 June 1945 in Shimonoseki Strait; in Japan Nashi 1945 SUNK 28 July 1945 at Kure Natsugumo SUNK 11 October 1942 off Savo Is., Solomons, by U.S. fleet units Natsushio SUNK 8 February 1942 off Makassar, Celebes, by U.S. submarine Natsuzuki 1945 HEAVILY DAMAGED 16 June 1945 near Matsure; in Japan Nenohi SUNK 4 July 1942 off Agattu, Aleutians, by U.S. submarine Nire 1945 HEAVILY DAMAGED 22 June 1945 at Kure; in Japan Niizuki 1943 SUNK 6 July 1943 in Kula Gulf, New Georgia, by U.S. fleet units Nokaze SUNK 20 February 1945 N.E. of Saigon by U.S. submarines Nowake SUNK 25 October 1944 in Surigao Strait by U.S. fleet units Numakaze SUNK 18 December 1943 in E. China Sea by U.S. submarine Oboro SUNK 12 August 1942 off Honshu by U.S. submarine Oinami Not commissioned Oite SUNK 18 February 1944 at Truk by U.S. carrier planes Okikaze SUNK 10 January 1943 off Honshu by U.S. submarine
Name Date Commissioned Final Disposition Okinami 1944 SUNK 13 November 1944 in Manila Bay by U.S. carrier planes Onami 1943 SUNK 25 November 1943 N.W. of Buka Is., Solomons, by U.S. destroyers Oshio SUNK 20 February 1943 No. of Admiralty Is. by U.S. submarine Otake 1945 At Maizuru; not manned Oyashio SUNK 8 May 1943 in Blackett Strait, New Georgia, by mines and aircraft Sagiri SUNK 24 December 1941 off Kuching, Borneo, by Dutch submarine Sakura 1945 SUNK 11 July 1945 near Osaka Samidare SUNK 26 August 1944 off Palau by U.S. carrier planes and submarine Sanae SUNK 18 November 1943 in Celebes Sea by U.S. submarine Satsuki SUNK 21 September 1944 in Manila Bay by U.S. carrier planes Sawakaze DECOMMISSIONED; in Japan Sazanami SUNK 14 January 1944 S.E. of Yap Is. by U.S. submarine Shii 1945 Operational; in Japan area Shigezakura 1945 SUNK 18 July 1945 Yokosuka by U.S. carrier planes Shigure SUNK 24 January 1945 N.W. of Borneo by U.S. submarine Shikinami SUNK 12 September 1944 S. China Sea by U.S. submarine Shimakaze 1943 SUNK 11 November 1944 in Ormoc Bay by U.S. carrier planes Shimotsuki 1944 SUNK 25 November 1944 W. of Borneo by U.S. submarine Shinonome SUNK 18 December 1941 off Miri, Borneo, by mine Shiokaze HEAVILY DAMAGED 31 January 1945 S. of Formosa; in Japan Shirakumo SUNK 16 March 1944 S.E. of Hokkaido by U.S. submarine Shiranuhi SUNK 27 October 1944 in P.I. by U.S. carrier planes Shiratsuyu SUNK 20 June 1944 in Philippine Sea by U.S. carrier planes Shirayuki SUNK 3 March 1943 Huon Gulf, New Guinea, by U.S. Army bombers
Name Date Commissioned Final Disposition Sugi 1945 HEAVILY DAMAGED 21 January 1945 at Takao; in Japan Suzukaze At Maizuru; not manned Suzunami 1943 SUNK 26 January 1944 N.W. of Ponape by U.S. submarine Suzutsuki 1942 HEAVILY DAMAGED 7 April 1945 S. of Kyushu; decommissioned; in Japan Tachibana 1945 SUNK 15 July 1945 at Ominato by U.S. fleet units Tachikaze SUNK 17 February 1944 at Truk by U.S. carrier planes Takanami 1942 SUNK 30 November 1942 off Savo Is., Solomons, by U.S. fleet units Take 1944 In Inland Sea Tamanami 1943 SUNK 7 July 1944 S.W. of Manila by U.S. submarine Tanikaze SUNK 9 June 1944 in Sibutu passage, P.I., by U.S. submarine Terutsuki 1942 SUNK 12 December 1942 off Guadalcanal Is. by U.S. PT boats Tokitsukaze SUNK 3 March 1943 in Huon Gulf, New Guinea, by U.S. Army bombers Tsubaki 1945 HEAVILY DAMAGED 24 July 1945 near Okayama; in Japan Tsuga SUNK 15 January 1945 off Pescadores Is. by U.S. carrier planes Tsuta 1945 In Inland Sea Ume 1944 SUNK 31 January 1945 S.W. of Takao by B-25's Umikaze SUNK 1 February 1944 S.E. of Truk by U.S. submarine Urakaze SUNK 9 June 1944 in Sibutu passage, P.I., by U.S. submarine Uranami SUNK 26 October 1944 S.W. of Masbate, P.I., by U.S. carrier planes Ushio HEAVILY DAMAGED 14 November 1944 at Manila; in Japan Usugumo SUNK 7 July 1944 in Sea of Okhotsk by U.S. submarine Uzuki SUNK 11 December 1944 off Leyte by U.S. PT boats Wakaba SUNK 24 October 1944 S. of Mindoro by U.S. carrier planes
Name Date Commissioned Final Disposition Wakatake SUNK 30 March 1944 at Palau by U.S. carrier planes Wakatsuki 1943 SUNK 11 November 1944 in Ormoc Bay by U.S. carrier planes Yakaze Converted to target ship; in Japan area Yamagumo SUNK 25 October 1944 in Surigao Strait by U.S. destroyers Yamakaze SUNK 25 June 1942 off Yokohama by U.S. submarine Yanagi 1945 SUNK 15 July 1945 at Ominato by U.S. fleet units Yayoi SUNK 11 September 1942 off Normanby Is. by B-17's Yoitsuki 1945 HEAVILY DAMAGED 2 June 1945 N. of Himejima; in Japan Yudachi SUNK 13 November 1942 off Savo Is., Solomons, by U.S. fleet units Yugiri SUNK 25 November 1943 N.W. of Buka Is., Solomons, by U.S. destroyers Yugumo SUNK 6 October 1943 N.W. of Vella Lavella, Solomons, by U.S. destroyers Yugure SUNK 20 July 1943 in Vella Gulf, New Georgia, by U.S. Navy bombers Yukaze Converted to target ship; in Japan Yukikaze HEAVILY DAMAGED 30 July 1945 at Miyazu; in Japan Yunagi SUNK 25 August 1944 off N.W. Luzon by U.S. submarine Yuzuki SUNK 13 December 1944 in Leyte area by U.S. carrier planes SUBMARINES
Submarine losses indicated in this list have been confirmed. Dates and locations of losses in some cases are estimates based upon the best available information.I-1 SUNK 29 January 1943 off Guadalcanal by New Zealand corvettes I-2 SUNK 7 April 1944 E. of Admiralty Is. by U.S. destroyer I-3 SUNK 9 December 1942 off Guadalcanal by U.S. PT boat I-4 SUNK 21 December 1942 S. of Rabaul by U.S.submarine
Name Date Commissioned Final Disposition I-5 SUNK 10 June 1944 N.W. of Bismarck Is. by U.S. destroyer I-6 SUNK 4 July 1944 E. of Saipan by U.S. fleet units I-7 SUNK 22 June 1943 off Kiska by U.S. destroyer I-8 SUNK 31 March 1945 S.W. of Okinawa by U.S. destroyers I-9 SUNK 10 June 1943 N.E. of Attu by U.S. patrol craft I-10 SUNK 18 July 1944 N. of Truk by U.S. destroyer escort I-11 May 1942 SUNK 17 February 1944 E. of Marshall Is. by U.S. destroyer I-12 May 1944 SUNK May 1945 in South Pacific I-13 December 1944 SUNK 16 July 1945 E. of Honshu by U.S. carrier aircraft I-14 March 1945 Captured at sea 27 August 1945; in Japan; decommissioned I-15 SUNK October/November 1942 in South Pacific I-16 SUNK 19 May 1944 N.E. of Solomons by U.S. destroyer escort I-17 SUNK 19 August 1943 off New Caledonia by Allied surface craft and planes I-18 SUNK 25 December 1942 off Kumusi R., New Guinea, by U.S. PT boat I-19 SUNK 26 November 1943 W. of Makin Is. by U.S. destroyers I-20 SUNK 1 October 1943 N. of Kolombangara Is. by U.S. destroyer I-21 SUNK 5 February 1944 in S. Marshalls by U.S. destroyer escorts I-22 SUNK 19 November 1942 off San Cristobal Is. by U.S. destroyer I-23 SUNK 26 April 1942 off Johnston Is. by U.S. submarine I-24 SUNK 27 July 1943 S.W. of New Hanover by U.S. submarine I-25 SUNK October/November 1943 in Central Pacific I-26 SUNK 25 October 1944 in Leyte Gulf by U.S. destroyer escort I-27 February 1942 SUNK 12 February 1944 S.W. of Maldive Is. by British destroyers I-28 February 1942 SUNK 17 May 1942 S. of Truk by U.S. submarine
Name Date Commissioned Final Disposition I-29 February 1942 SUNK 26 July 1944 in Luzon Strait by U.S. submarine I-30 March 1942 SUNK May/June 1942 in Western Pacific I-31 May 1942 SUNK 13 June 1943 N. of Kiska by U.S. destroyer I-32 April 1942 SUNK 24 March 1944 E. of Marshall Is. by U.S. fleet units I-33 June 1942 SUNK June 1942 in Western Pacific by accident I-34 August 1942 SUNK 13 November 1943 in Malacca Straits by British submarine I-35 August 1942 SUNK 23 November 1943 off Tarawa by U.S. destroyers I-36 September 1942 In Japan I-37 March 1943 SUNK 18 November 1944 E. of Samar by U.S. destroyer and carrier planes I-38 January 1943 SUNK 13 November 1944 N.E. of Oahu by U.S. fleet units I-39 April 1943 SUNK 24 December 1943 off Guadalcanal by U.S. destroyer I-40 July 1943 SUNK March/April 1944 in Central Pacific I-41 September 1943 SUNK 16 September 1944 E. of Honshu by U.S. submarine I-42 November 1943 SUNK 23 March 1944 S.W. of Palau by U.S. submarine I-43 November 1943 SUNK 15 February 1944 N.W. of Truk by U.S. submarine I-44 1944 SUNK 18 April 1945 E. of Okinawa by U.S. destroyers I-45 December 1943 SUNK 29 October 1944 E. of Dinegat Is. by U.S. destroyer escort I-46 February 1944 SUNK December 1944 in Western Pacific I-47 July 1944 Operational; in Japan area I-48 September 1944 SUNK 23 January 1945 off Ulithi by U.S. destroyer escorts I-49 May 1944 In Japan I-52 December 1943 SUNK 24 June 1944 in Atlantic Ocean by U.S. carrier planes I-53 February 1944 HEAVILY DAMAGED 30 March 1945; in Japan I-54 March 1944 SUNK 28 October 1944 E. of Leyte Gulf by U.S. destroyer I-55 April 1944 SUNK 27 July 1944 E. of Saipan by U.S. destroyer escort I-56 June 1944 SUNK 5 April 1945 W. off Okinawa by U.S. destroyer
Name Date Commissioned Final Disposition I-58 September 1944 Operational; in Japan I-121 Operational; in Japan I-122 SUNK 10 June 1945 in Japan Sea by U.S. submarine I-123 SUNK 29 August 1942 E. of Guadalcanal Is. by U.S. destroyer I-124 SUNK 20 January 1942 off Port Darwin by Allied surface craft I-153 Decommissioned; in Japan I-154 Decommissioned; in Japan I-155 Decommissioned; in Japan I-156 In Japan I-157 In Japan I-158 Operational; in Japan I-159 Operational; in Japan I-160(60) SUNK 17 January 1942 in Sunda Straits by British destroyer I-162 In Japan I-164 SUNK 17 May 1942 S. of Kyushu by U.S. submarine I-165 SUNK 27 June 1945 E. of Marianas Is. by naval aircraft I-166 SUNK 17 July 1944 off Penang by British submarine I-168 SUNK 3 September 1943 off New Hebrides by U.S. destroyer I-169 SUNK 4 April 1944 at Truk I-170(70) SUNK 10 December 1941 off Pearl Harbor by U.S. carrier plane I-171 SUNK 1 February 1944 W. of Buka by U.S. destroyer I-172 SUNK October/November 1942 in South Pacific I-173(73) SUNK 27 January 1942 off Midway by U.S. submarine I-174 SUNK 12 April 1944 N. of Truk by U.S. Navy bomber I-175 SUNK 30 April 1944 S. of Truk by U.S. destroyers I-176 July 1942 SUNK 17 May 1944 N.E. of Buka by U.S. destroyers I-177 December 1942 SUNK November 1944 in South Pacific I-178 December 1942 SUNK June 1943 in Central Pacific I-179 June 1943 SUNK February 1944 in South Pacific
Name Date Commissioned Final Disposition I-180 June 1943 SUNK 26 April 1944 off Kodiak, Alaska, by U.S. destroyer I-181 May 1943 SUNK 16 January 1944 off St. George Channel, Bismarcks, by U.S. Navy planes I-182 May 1943 SUNK 9 September 1943 in Surigao Strait by U.S. submarine I-183 October 1943 SUNK 29 April 1944 off Bungo Channel, Japan, by U.S. submarine I-184 October 1943 SUNK 21 June 1944 E. of Saipan by U.S. fleet units I-185 September 1943 SUNK 17 June 1944 N.W. of Guam by U.S. destroyers I-201 February 1945 In Japan I-202 February 1945 In Japan I-203 June 1945 In Japan I-351 January 1945 SUNK 15 July 1945 N.W. of Borneo by U.S. submarine I-361 May 1944 SUNK 30 May 1945 in Japanese waters I-362 May 1944 SUNK 27 November 1944 in Camotes Sea by U.S. destroyers I-363 July 1944 Operational; in Japan I-364 June 1944 SUNK October 1944 in South Pacific I-365 August 1944 SUNK 29 November 1944 S.E. of Tokyo Bay by U.S. submarine I-366 August 1944 Operational; in Japan I-367 August 1944 Operational; in Japan I-368 August 1944 SUNK 26 February 1945 S. of Iwo Jima by U.S. destroyer escort I-369 October 1944 Decommissioned September 1945; in Japan I-370 September 1944 SUNK 26 February 1945 N.W. of Iwo Jima by U.S. carrier planes I-371 October 1944 SUNK January 1945 in Truk area I-372 November 1944 SUNK 18 July 1945 at Yokosuka by carrier planes I-373 April 1945 SUNK 14 August 1945 in E. China Sea by U.S. submarine I-400 December 1944 Captured at sea 27 August 1945; in Japan; decommissioned I-401 January 1945 Captured at sea 29 August 1945; in Japan; decommissioned I-402 July 1945 Decommissioned September 1945; in Japan I-501 July 1945 At Singapore I-502 July 1945 At Singapore I-503 July 1945 In Japan I-504 July 1945 In Japan
Name Date Commissioned Final Disposition I-505 July 1945 At Batavia I-506 July 1945 At Surabaya RO-30 SUNK April 1942 in Western Pacific RO-31 Decommissioned during 1944; in Japan RO-32 SUNK April 1942 in Western Pacific RO-33 SUNK 29 August 1942 S.E. of New Guinea by Australian destroyer RO-34 SUNK 7 April 1943 N.W. of San Cristobal Is. by U.S. destroyers RO-35 March 1943 SUNK October 1943 in Solomons RO-36 May 1943 SUNK 13 June 1944 E. of Saipan by U.S. destroyer RO-37 June 1943 SUNK 22 January 1944 E. of Solomons by U.S. destroyer RO-38 July 1943 SUNK February/March 1944 in Central Pacific RO-39 September 1943 SUNK 3 February 1944 off Wotje, Marshalls, by U.S. destroyer RO-40 June 1943 SUNK February/March 1944 in Central Pacific RO-41 November 1943 SUNK 31 March 1945 E. of Okinawa by U.S. destroyer RO-42 August 1943 SUNK 10 June 1944 N.E. of Kwajalein by U.S. destroyer escort RO-43 December 1943 SUNK 14 February 1945 N.E. of Luzon by U.S. submarine RO-44 September 1943 SUNK 16 June 1944 E. of Eniwetok by U.S. destroyer escort RO-45 January 1944 SUNK 20 April 1944 W. of Saipan by U.S. submarine RO-46 February 1944 SUNK 9 April 1945 S.E. of Okinawa by U.S. destroyers RO-47 January 1944 SUNK 23 March 1945 in Philippine Sea by U.S. destroyer RO-48 March 1944 SUNK 14 July 1944 W. of Saipan by U.S. fleet units RO-49 1944 SUNK 24 February 1945 off Bungo Channel, Japan, by U.S. submarine RO-50 July 1944 Operational; in Japan RO-55 September 1944 SUNK 14 February 1945 N.E. of Luzon by U.S. submarine RO-56 November 1944 SUNK May 1945 in Kuriles RO-57 Decommissioned (?) RO-58 Decommissioned (?) RO-59 Decommissioned (?) RO-60 SUNK 29 December 1941 at Kwajalein by grounding
Name Date Commissioned Final Disposition RO-61 SUNK 31 August 1942 in Aleutians by U.S. destroyer and plane RO-62 Decommissioned September 1945; in Japan area RO-63 Decommissioned 1945; in Japan area RO-64 SUNK May 1945 in Hiroshima Bay RO-65 SUNK 28 September 1942 at Kiska by B-24's RO-66 SUNK 17 December 1941 W. of Wake Is. by collision RO-67 SUNK 4 April 1945 in Inland Sea by mine RO-68 Decommissioned September 1945; in Japan RO-100 September 1942 SUNK 25 November 1943 off Bougainville Is. by U.S. fleet units RO-101 October 1942 SUNK 1 July 1943 E. of Rendova Is., Solomons, by U.S. destroyer RO-102 November 1942 SUNK 4 April 1943 S. of Santa Isabel Is. by U.S. destroyer RO-103 October 1942 SUNK 29 May 1943 off New Hebrides by ¨.S. patrol craft RO-104 February 1943 SUNK 23 May 1944 N. of Bismarck Is. by U.S. destroyer escort RO-105 March 1943 SUNK 31 May 1944 N. of Bismarck Is. by U.S. fleet units RO-106 December 1942 SUNK 22 May 1944 N. of Bismarck Is. by U.S. destroyer escort RO-107 December 1942 SUNK May/June 1943 in South Pacific RO-108 April 1943 SUNK 26 May 1944 N. of Bismarck Is. by U.S. destroyer escort RO-109 April 1943 SUNK 20 April 1945 S.E. of Okinawa by U.S. fleet units RO-110 July 1943 SUNK 11 February 1944 off Vizagapatam, India, by Allied sloops RO-111 July 1943 SUNK 16 June 1944 of Truk by U.S. Navy PBY RO-112 September 1943 SUNK 11 February 1945 N. of Luzon by U.S. submarine RO-113 October 1943 SUNK 13 February 1945 N. of Luzon by U.S. submarine RO-114 November 1943 SUNK 16 June 1944 W. of Guam by U.S. destroyers RO-115 November 1943 SUNK 10 February 1945 N. of Luzon by U.S. submarine RO-116 January 1944 SUNK 24 May 1944 N. of Bismarck Is. by U.S. destroyer escort RO-117 January 1944 SUNK 17 June 1944 N.W. of Truk by U.S. Navy PBY
Name Date Commissioned Final Disposition RO-500 September 1943 Decommissioned September 1945; in Japan RO-501 February 1944 SUNK 13 May 1944 in Atlantic Ocean by U.S. destroyer HA-101 November 1944 Decommissioned September 1945 HA-102 December 1944 Decommissioned September 1945 HA-103 February 1945 In Japan HA-104 December 1944 Decommissioned September 1945 HA-105 February 1945 In Japan HA-106 December 1944 Decommissioned September 1945 HA-107 February 1945 In Japan HA-108 May 1945 In Japan HA-109 March 1945 In Japan HA-111 July 1945 In Japan HA-201 May 1945 In Japan HA-202 May 1945 In Japan HA-203 June 1945 Decommissioned September 1945 HA-204 June 1945 Decommissioned September 1945 HA-205 July 1945 In Japan HA-207 August 1945 In Japan HA-208 August 1945 In Japan HA-209 August 1945 In Japan HA-210 August 1945 In Japan HA-215 Not commissioned In Japan HA-216 August 1945 In Japan HA-217 June 1945 In Japan HA-218 July 1945 In Japan
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