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Mineichi Koga

Mineichi Koga (古賀 峯一, Koga Mineichi, 25 September 1885 – 31 March 1944) was a Japanese Marshal Admiral and commander-in-chief of the Imperial Japanese Navy's Combined Fleet.

Mineichi Koga
Admiral Koga Mineichi (1942-44)
Native name
古賀 峯一
BornSeptember 25, 1885
Arita, Saga, Japan
DiedMarch 31, 1944(1944-03-31) (aged 58)[1]
near Davao, Second Philippine Republic
Allegiance Empire of Japan
Service/branch Imperial Japanese Navy
Years of service1906–1944
Rank Marshal Admiral (posthumous)
Commands heldAoba, Ise, Naval Intelligence Bureau, Weapons and Mobilization Bureau, 7th Squadron, Training Fleet, Vice-chief of Navy General Staff, 2nd Fleet, China Area Fleet, Yokosuka Naval District, Combined Fleet
Battles/wars
AwardsOrder of the Sacred Treasures, 1st class
Order of the Rising Sun, 1st class
Order of the Golden Kite, 1st class
Knight's Cross of the Iron Cross

Biography edit

Early life and career edit

Koga was born in the ceramics center of Arita in Nishimatsuura County of Saga Prefecture in 1885. He entered the 34th class of the Imperial Japanese Naval Academy and graduated in 1906, ranked 14th of 176 cadets.

He served as midshipman on the cruiser Matsushima on its long-distance navigational training cruise to Honolulu, Hilo, Wellington, Brisbane, Palm Island, Queensland, Batavia, Singapore, Mako, Qingdao, Port Arthur, Dairen, Chemulpo, Chinkai, Busan and Kagoshima. On his return, he was commissioned as ensign and assigned to the Katori, followed by Otowa and Suma.

As a sub-lieutenant he served on the Soya and Aki, and as lieutenant from 1911, he served on Kashima.

After further attendance at Japan's Naval War College, Koga held shore staff posting following his graduation and promotion to lieutenant commander in 1917. In 1920, having seen no action during World War I, Koga became a resident officer in France. He returned in 1922 to become executive officer on the Kitakami. On his promotion to captain on December 1, 1926, Koga was again posted to France, where he served as a naval attaché in Paris until November 1, 1928.

Recalled to Japan in 1930 and being given command of the Yokosuka Naval Station, Koga captained the heavy cruiser Aoba from December 31, 1930, and the battleship Ise from December 31, 1931, until his appointment to rear admiral on December 31, 1932 and transfer to be Chief of the Imperial Japanese Navy General Staff's Intelligence Division in 1933.

Koga became Vice Chief of the Navy General Staff and was promoted to vice admiral on December 31, 1936 shortly before the beginning of the Second Sino-Japanese War in 1937.

Commander of the IJN 2nd Fleet in 1939, Koga was placed in command of the China Area Fleet on September 1, 1941. Koga shared Yamamoto's misgivings about war with the United States, but disagreed with Yamamoto regarding the use of naval aviation, remaining a firm battleship advocate until events later in the Pacific War proved his position outdated.

Pacific War edit

Battle of Hong Kong edit

With the start of the Pacific War, Koga commanded naval operations during the Battle of Hong Kong from December 9, 1941 to the end of the month.

Commander in Chief of the Combined Fleet edit

 
Tsuneo Matsudaira, Shigetarō Shimada, Mineichi Koga, and Saburō Hyakutake on the deck of the battleship Musashi, June 1943

Following the death of Admiral Isoroku Yamamoto on April 18, 1943, Koga succeeded Yamamoto as Commander in Chief of the Combined Fleet. His flagship was the battleship Musashi. Koga attempted to revitalize Japanese naval operations by reorganization of the Combined Fleet into task forces built around aircraft carriers in imitation of the United States Navy, and organized a land-based naval air fleet to work in coordination with the carriers. Operationally, he intended to mount an aggressive counteroffensive, first in the Aleutians to dilute American forces and eventually to lure the American fleet into a major naval engagement in late 1943.[2] However, the losses of Japan's land and carrier based aircraft in the Southwest Pacific eventually forced a Japanese withdrawal from the Solomons to the aero-naval base complex at Rabaul in the Bismarcks by the end of the year, and the simultaneous defeat in the Gilbert Islands of the Central Pacific in November 1943. Koga gradually adopted a more conservative stance, attempting to conserve his remaining forces for a decisive battle to inflict maximum damage on the Americans when they closed toward the 'Inner Defense Lines' of the Marianas and Philippines (code named "Z plan"). An additional strategic change in late 1943 was the establishment of the Grand Escort Command of better organized convoys and increased ASW vessels in the face of increasingly successful U.S. submarine attacks on Empire shipping lanes, although this would not be nearly enough to prevent the collapse of the Japanese merchant marine over the following year.

Death edit

Koga was killed when his plane, a Kawanishi H8K ("Emily") flying boat, crashed during a typhoon between Palau and Davao while he was overseeing the withdrawal of the Combined Fleet from its Palau headquarters on March 31, 1944. His Chief of staff, Vice Admiral Shigeru Fukudome, survived ditching in a second airplane off Cebu and was held captive by Filipino guerrillas, during which time Koga's battle plans found their way into Allied hands.[3] His death was not announced until May 1944 when he was formally replaced by Admiral Soemu Toyoda. From page 20 of I Was A Kamikaze, by Ryuji Nagatsuka: After describing reversals at Rabaul and Truk, he adds "The death of Admiral Koga, successor to Admiral Yamamoto, had been another shock for the Japanese nation. These distressing circumstances had forced the naval and military Chiefs of Staff to resign. They had been replaced by General Tojo and Admiral Shimada." From then on, Prime Minister Tojo held both the portfolio of the Minister of Armed Forces and the post of Chief of Imperial General Staff in the army.

Koga was promoted to Marshal Admiral posthumously and he was accorded a state funeral. His grave is at the Tama Cemetery, outside of Tokyo.

References edit

Books edit

  • D'Albas, Andrieu (1965). Death of a Navy: Japanese Naval Action in World War II. Devin-Adair Pub. ISBN 0-8159-5302-X.
  • Dupuy, Trevor N. (1992). Encyclopedia of Military Biography. I B Tauris & Co Ltd. ISBN 1-85043-569-3.
  • Fuller, Richard (1992). Shokan: Hirohito's Samurai. London: Arms and Armour Press. ISBN 1-85409-151-4.
  • Morison, Samuel Eliot (2002). History of United States Naval Operations in World War II. Vol. VI: Breaking the Bismarcks Barrier, 22 July 1942 – 1 May 1944. Chicago: University of Illinois Press.
  • Morison, Samuel Eliot (2002). History of United States Naval Operations in World War II. Vol. VII: Aleutians, Gilberts, and Marshalls, June 1942 – April 1944. Chicago: University of Illinois Press.
  • Morison, Samuel Eliot (2002). History of United States Naval Operations in World War II. Vol. VIII: New Guinea and the Marianas, March 1944 – August 1944. Chicago: University of Illinois Press.

External links edit

  • Nishida, Hiroshi. "Imperial Japanese Navy". Archived from the original on January 4, 2013. Retrieved August 8, 2007.
  • Budge, Kent. "Pacific War Online Encyclopedia". Retrieved August 8, 2007.
  • . Time Magazine. November 8, 1943. Archived from the original on July 13, 2007. Retrieved June 3, 2013.
  • . Time Magazine. May 15, 1944. Archived from the original on September 30, 2007. Retrieved August 10, 2008.

Notes edit

  1. ^ Nishida, Imperial Japanese Navy
  2. ^ Budge, Pacific War Online Encyclopedia
  3. ^ Bradsher, The Z-PLan Story

mineichi, koga, 古賀, 峯一, koga, mineichi, september, 1885, march, 1944, japanese, marshal, admiral, commander, chief, imperial, japanese, navy, combined, fleet, admiral, koga, mineichi, 1942, native, name古賀, 峯一bornseptember, 1885arita, saga, japandiedmarch, 1944. Mineichi Koga 古賀 峯一 Koga Mineichi 25 September 1885 31 March 1944 was a Japanese Marshal Admiral and commander in chief of the Imperial Japanese Navy s Combined Fleet Mineichi KogaAdmiral Koga Mineichi 1942 44 Native name古賀 峯一BornSeptember 25 1885Arita Saga JapanDiedMarch 31 1944 1944 03 31 aged 58 1 near Davao Second Philippine RepublicAllegiance Empire of JapanService wbr branch Imperial Japanese NavyYears of service1906 1944RankMarshal Admiral posthumous Commands heldAoba Ise Naval Intelligence Bureau Weapons and Mobilization Bureau 7th Squadron Training Fleet Vice chief of Navy General Staff 2nd Fleet China Area Fleet Yokosuka Naval District Combined FleetBattles warsSecond Sino Japanese War World War II Pacific WarBattle of Hong Kong dd AwardsOrder of the Sacred Treasures 1st classOrder of the Rising Sun 1st class Order of the Golden Kite 1st classKnight s Cross of the Iron Cross Contents 1 Biography 1 1 Early life and career 1 2 Pacific War 1 2 1 Battle of Hong Kong 1 2 2 Commander in Chief of the Combined Fleet 2 Death 3 References 3 1 Books 4 External links 5 NotesBiography editEarly life and career edit Koga was born in the ceramics center of Arita in Nishimatsuura County of Saga Prefecture in 1885 He entered the 34th class of the Imperial Japanese Naval Academy and graduated in 1906 ranked 14th of 176 cadets He served as midshipman on the cruiser Matsushima on its long distance navigational training cruise to Honolulu Hilo Wellington Brisbane Palm Island Queensland Batavia Singapore Mako Qingdao Port Arthur Dairen Chemulpo Chinkai Busan and Kagoshima On his return he was commissioned as ensign and assigned to the Katori followed by Otowa and Suma As a sub lieutenant he served on the Soya and Aki and as lieutenant from 1911 he served on Kashima After further attendance at Japan s Naval War College Koga held shore staff posting following his graduation and promotion to lieutenant commander in 1917 In 1920 having seen no action during World War I Koga became a resident officer in France He returned in 1922 to become executive officer on the Kitakami On his promotion to captain on December 1 1926 Koga was again posted to France where he served as a naval attache in Paris until November 1 1928 Recalled to Japan in 1930 and being given command of the Yokosuka Naval Station Koga captained the heavy cruiser Aoba from December 31 1930 and the battleship Ise from December 31 1931 until his appointment to rear admiral on December 31 1932 and transfer to be Chief of the Imperial Japanese Navy General Staff s Intelligence Division in 1933 Koga became Vice Chief of the Navy General Staff and was promoted to vice admiral on December 31 1936 shortly before the beginning of the Second Sino Japanese War in 1937 Commander of the IJN 2nd Fleet in 1939 Koga was placed in command of the China Area Fleet on September 1 1941 Koga shared Yamamoto s misgivings about war with the United States but disagreed with Yamamoto regarding the use of naval aviation remaining a firm battleship advocate until events later in the Pacific War proved his position outdated Pacific War edit Battle of Hong Kong edit Main article Battle of Hong Kong With the start of the Pacific War Koga commanded naval operations during the Battle of Hong Kong from December 9 1941 to the end of the month Commander in Chief of the Combined Fleet edit nbsp Tsuneo Matsudaira Shigetarō Shimada Mineichi Koga and Saburō Hyakutake on the deck of the battleship Musashi June 1943Following the death of Admiral Isoroku Yamamoto on April 18 1943 Koga succeeded Yamamoto as Commander in Chief of the Combined Fleet His flagship was the battleship Musashi Koga attempted to revitalize Japanese naval operations by reorganization of the Combined Fleet into task forces built around aircraft carriers in imitation of the United States Navy and organized a land based naval air fleet to work in coordination with the carriers Operationally he intended to mount an aggressive counteroffensive first in the Aleutians to dilute American forces and eventually to lure the American fleet into a major naval engagement in late 1943 2 However the losses of Japan s land and carrier based aircraft in the Southwest Pacific eventually forced a Japanese withdrawal from the Solomons to the aero naval base complex at Rabaul in the Bismarcks by the end of the year and the simultaneous defeat in the Gilbert Islands of the Central Pacific in November 1943 Koga gradually adopted a more conservative stance attempting to conserve his remaining forces for a decisive battle to inflict maximum damage on the Americans when they closed toward the Inner Defense Lines of the Marianas and Philippines code named Z plan An additional strategic change in late 1943 was the establishment of the Grand Escort Command of better organized convoys and increased ASW vessels in the face of increasingly successful U S submarine attacks on Empire shipping lanes although this would not be nearly enough to prevent the collapse of the Japanese merchant marine over the following year Death editKoga was killed when his plane a Kawanishi H8K Emily flying boat crashed during a typhoon between Palau and Davao while he was overseeing the withdrawal of the Combined Fleet from its Palau headquarters on March 31 1944 His Chief of staff Vice Admiral Shigeru Fukudome survived ditching in a second airplane off Cebu and was held captive by Filipino guerrillas during which time Koga s battle plans found their way into Allied hands 3 His death was not announced until May 1944 when he was formally replaced by Admiral Soemu Toyoda From page 20 of I Was A Kamikaze by Ryuji Nagatsuka After describing reversals at Rabaul and Truk he adds The death of Admiral Koga successor to Admiral Yamamoto had been another shock for the Japanese nation These distressing circumstances had forced the naval and military Chiefs of Staff to resign They had been replaced by General Tojo and Admiral Shimada From then on Prime Minister Tojo held both the portfolio of the Minister of Armed Forces and the post of Chief of Imperial General Staff in the army Koga was promoted to Marshal Admiral posthumously and he was accorded a state funeral His grave is at the Tama Cemetery outside of Tokyo References editThis article includes a list of general references but it lacks sufficient corresponding inline citations Please help to improve this article by introducing more precise citations April 2016 Learn how and when to remove this template message Books edit D Albas Andrieu 1965 Death of a Navy Japanese Naval Action in World War II Devin Adair Pub ISBN 0 8159 5302 X Dupuy Trevor N 1992 Encyclopedia of Military Biography I B Tauris amp Co Ltd ISBN 1 85043 569 3 Fuller Richard 1992 Shokan Hirohito s Samurai London Arms and Armour Press ISBN 1 85409 151 4 Morison Samuel Eliot 2002 History of United States Naval Operations in World War II Vol VI Breaking the Bismarcks Barrier 22 July 1942 1 May 1944 Chicago University of Illinois Press Morison Samuel Eliot 2002 History of United States Naval Operations in World War II Vol VII Aleutians Gilberts and Marshalls June 1942 April 1944 Chicago University of Illinois Press Morison Samuel Eliot 2002 History of United States Naval Operations in World War II Vol VIII New Guinea and the Marianas March 1944 August 1944 Chicago University of Illinois Press External links edit nbsp Wikimedia Commons has media related to Mineichi Koga Nishida Hiroshi Imperial Japanese Navy Archived from the original on January 4 2013 Retrieved August 8 2007 Budge Kent Pacific War Online Encyclopedia Retrieved August 8 2007 TIME Magazine Cover Admiral Mineichi Koga Time Magazine November 8 1943 Archived from the original on July 13 2007 Retrieved June 3 2013 Koga s End Time Magazine May 15 1944 Archived from the original on September 30 2007 Retrieved August 10 2008 Notes edit Nishida Imperial Japanese Navy Budge Pacific War Online Encyclopedia Bradsher The Z PLan Story Portals nbsp Biography nbsp Japan Retrieved from https en wikipedia org w index php title Mineichi Koga amp oldid 1206554303, wikipedia, wiki, book, books, library,

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