Kwantung Army

The Kwantung Army (Japanese: 関東軍, Kantō-gun) was the largest army group of the Imperial Japanese Army from 1919 to 1945.

Kwantung Army
Japanese: 関東軍
Kantō-gun
Kwantung Army headquarters in Hsinking, Manchukuo
ActiveApril 1919 – August 1945
Country Empire of Japan
AllegianceEmperor of Japan
Branch Imperial Japanese Army
TypeInfantry
RoleArmy group
Size300,000 (1940)
763,000 (1941)
713,000 (1945)
Garrison/HQRyojun, Kwantung Leased Territory (1906–1932)
Hsinking, Manchukuo (1932–1945)
Nickname(s)Toku (德兵團, Toku heidan), Special
EngagementsSecond Sino-Japanese War

Soviet–Japanese border conflicts

World War II

  • Manchurian Strategic Offensive Operation
Kwantung Army
Chinese name
Traditional Chinese關東軍
Simplified Chinese关东军
Korean name
Hangul관동군
Hanja關東軍
Japanese name
Kanji関東軍

The Kwantung Army was formed in 1906 as a security force for the Kwantung Leased Territory and South Manchurian Railway Zone after the Russo-Japanese War, and was expanded into an army group during the Interwar period to support Japanese interests in China, Manchuria, and Mongolia. The Kwantung Army became the largest and most prestigious command in the Imperial Japanese Army, and many of its personnel were promoted to high positions in the Japanese military and civil government, including Hideki Tōjō and Seishirō Itagaki. The Kwantung Army was largely responsible for the creation of the Japanese puppet state of Manchukuo and was one of the main Japanese fighting forces during the Second Sino-Japanese War from 1937.

In August 1945, the Kwantung Army was engaged by Soviet troops during the Manchurian Strategic Offensive Operation. The Kwantung Army surrendered to the Soviets the day after the Surrender of Japan and was subsequently dissolved. The Kwantung Army was responsible for many of the worst Japanese war crimes during World War II, including the sponsorship of Unit 731 which performed biological warfare and human experimentation on civilians and prisoners of war.

History

Formation
Kwantung Army on manoeuvres in 1941.

In 1895, Qing China had granted the Kwantung Leased Territory, a valuable concession territory on the Liaodong Peninsula, to the Empire of Japan in the Treaty of Shimonoseki after their victory in the First Sino-Japanese War. The term "Kwantung" (traditional Chinese: 關東; simplified Chinese: 关东; pinyin: Guāndōng; Wade–Giles: Kwan1-tung1) means "east of Shanhaiguan", a guarded pass west of Manchuria, which was rendered in Japanese as "Kantō". The Russian Empire had particular interest in Kwantung, being one of the few areas in the region with potential to develop ice-free ports for its own expansion in the Far East, and Qing authorities withdrew the lease from the Japanese following the Triple Intervention, only weeks after it had been granted. Kwantung was leased to Russia in 1898, becoming Russian Dalian (Дальний) and developing the territory into a thriving trade port. The Russo-Japanese War was fought between Russia and Japan from 1905 to 1906 over their rival imperial ambitions in Manchuria and Korea. Japanese victory led to the Republic of China returning the lease of Russian Dalian (re-establishing the Kwantung Leased Territory) and Japan gaining influence in the areas adjacent to the South Manchurian Railway.

The Kwantung Garrison was established in 1906 to defend this territory, and originally was composed of an infantry division and a heavy siege artillery battalion, supplemented with six independent garrison battalions as railway guards deployed along the South Manchurian Railway Zone, for a total troop strength of 100,000 men. The Kwantung Garrison was headquartered in Port Arthur (known as Ryojun in Japanese) and after a reorganization in 1919, the Kwantung Garrison was renamed the Kwantung Army (Kantō-gun).

In the highly politicized Imperial Japanese Army of the 1920s and 1930s, the Kwantung Army was a stronghold of the radical "Imperial Way Faction" (Kōdōha), and many of its senior leaders overtly advocated political change in Japan through the violent overthrow of the civilian government to bring about a Shōwa Restoration, with a reorganization of society and the economy along totalitarian state fascist lines. They also advocated a more aggressive, expansionist foreign policy regarding the Asian mainland. Members or former members of the Kwantung Army were active in numerous coup d'état attempts against the civilian government, culminating with the February 26 Incident of 1936, where the Kōdōha faction was de facto dissolved.[1]

Independent actions

Although the Kwantung Army was nominally subordinate to the Imperial General Headquarters and the senior staff at the Army General Staff located in Tokyo, its leadership often acted in direct violation of the orders from the mainland Japan without suffering any consequence. Conspirators within the junior officer corps of the Kwantung Army plotted and carried out the assassination of Manchurian warlord Zhang Zuolin in the Huanggutun Incident of 1928. Afterward, the Kwantung Army leadership engineered the Mukden Incident and the subsequent invasion of Manchuria in 1931, in a massive act of insubordination (gekokujo) against the express orders of the political and military leadership based in Tokyo.

Presented with the fait accompli, Imperial General Headquarters had little choice but to follow up on the actions of the Kwantung Army with reinforcements in the subsequent Pacification of Manchukuo. The success of the campaign meant that the insubordination of the Kwantung Army was rewarded rather than punished. In 1932, the Kwantung Army was the main force responsible for the foundation of Manchukuo, the puppet state of Japan located in Northeast China and Inner Mongolia. The Kwantung Army played a controlling role in the political administration of the new state as well as in its defense. With the Kwantung Army, administering all aspects of the politics and economic development of the new state, this made the Kwantung Army's commanding officer equivalent to a Governor-General with the authority to approve or countermand any command from Puyi, the nominal Emperor of Manchukuo.[2] As testament to the Kwantung Army's control over the government of Manchukuo was the fact that the Commander-in-Chief of the Kwantung Army also doubled as the Japanese Ambassador of Manchukuo.[3]

Second World War
Main article: Second Sino-Japanese War
Kwantung Army in Mongolia during the Battle of Khalkhyn Gol, July 1939
Map of Japanese Hokushin-ron plans for a potential attack on the Soviet Union. Dates indicate the year that Japan gained control of the territory.

After the campaign to secure Manchukuo, the Kwantung Army continued to fight in numerous border skirmishes with China as part of its efforts to create a Japanese-dominated buffer zone in Northern China. The Kwantung Army also fought in Operation Nekka during the preceding phase of the Second Sino-Japanese War, and various actions in Inner Mongolia to extend Japanese domination over portions of northern China and Inner Mongolia. When full-scale war broke out in the Marco Polo Bridge Incident in July 1937, its forces participated in Battle of Beiping-Tianjin and Operation Chahar. Later, Kwantung forces supported the war in China from time to time.

However, by the late 1930s the Kwantung Army's vaunted reputation was severely challenged during the Soviet–Japanese border conflicts that Japan had fought against the Soviet Union in northern Manchukuo since 1932. The Japanese force stalemated with the Soviet Union's Red Army in the Battle of Lake Khasan in 1938, and lost the decisive Battle of Nomonhan in 1939, during which time it sustained heavy casualties. After the "Nomonhan incident", the Kwantung Army was purged of its more insubordinate elements, as well as proponents of the Hokushin-ron ("Northward Advance") doctrine who urged that Japan concentrate its expansionist efforts on Siberia rather southward towards China and Southeast Asia.[4]

The Kwantung Army was heavily augmented over the next few years, up to a strength of 700,000 troops by 1941, and its headquarters was transferred to the new Manchukuo capital of Hsinking. The Kwantung Army also oversaw the creation, training, and equipping of an auxiliary force, the Manchukuo Imperial Army. During this time, Prince Tsuneyoshi Takeda worked as liaison officer between the Imperial house and the Kwantung Army.[5] Although a source of constant unrest during the 1930s, the Kwantung Army remained remarkably obedient during the 1940s. As combat spread south into Central China and Southern China in the Second Sino-Japanese War, and with the outbreak of the Pacific War, Manchukuo was largely a backwater to the conflict. However, as the war situation began to deteriorate for the Imperial Japanese Army on all fronts, the large, well-trained, and well-equipped Kwantung Army could no longer be held in strategic reserve. Many of its front line units were systematically stripped of their best units and equipment, which were sent south to fight in the Pacific War against the forces of the United States in the Pacific Islands or the Philippines. Other units were sent south into China for Operation Ichi-Go.

Surrender of the Kwantung Army

By 1945, the Kwantung Army consisted of 713,000 personnel, divided into 31 infantry divisions, nine infantry brigades, two tank brigades, and one special purpose brigade. It also possessed 1,155 light tanks, 5,360 guns, and 1,800 aircraft. The quality of troops had fallen drastically, as all the best men and materiel were siphoned off for use in other theaters. These forces were replaced by militia, draft levies, reservists, and cannibalized smaller units, all equipped with woefully outdated equipment.[6] The Kwantung Army had also bacteriological weapons, prepared for use against Soviet troops (see Unit 731). The bulk of military equipment (artillery, tanks, aircraft) was developed in the 1930s, and very few of the soldiers had sufficient training or any real experience.

Repatriated Japanese soldiers returning from Siberia in 1946

The final commanding officer of the Kwantung Army, General Otozō Yamada, ordered a surrender on August 16, 1945, one day after Emperor Hirohito announced the surrender of Japan in a radio announcement. Some Japanese divisions refused to surrender, and combat continued for the next few days. Marshal Hata received the "ultimatum to surrender" from Soviet General Georgii Shelakhov[7][8] in Harbin on August 18, 1945.[7] He was one of the senior generals who agreed with the decision to surrender, and on August 19, 1945, Hata met with Marshal Aleksandr Vasilevsky,[9] but asked that he be stripped of his rank of Field Marshal in atonement for the Army's failures in the war.[10]

The remnants of the Kwantung Army were either dead or on their way to Soviet prisoner-of-war camps. Over 500,000 Japanese prisoners of war were sent to work in Soviet labor camps in Siberia, Russian Far East and Mongolia. They were largely repatriated, in stages, over the next five years, though some continued to be held well into the 1950s.

War crimes and trials

After the surrender of Japan, the Soviet Red Army discovered secret installations for experimenting with and producing chemical weapons and biological weapons of mass destruction centered around secret Army Unit 731 and its subsidiaries.[11] At these locations, the Kwantung Army was also responsible for some of the most infamous Japanese war crimes, including the operation of several human experimentation programs using live Chinese, American and Russian[12] civilians, and POWs, directed by Dr. Shiro Ishii.

Arrested by the American occupation authorities, Ishii and the 20,000 members of Unit 731 received immunity from prosecution of war-crimes before the Tokyo tribunal of 1948, in exchange for germ warfare data based on human experimentation. On May 6, 1947, General Douglas MacArthur wrote to Washington that "additional data, possibly some statements from Ishii probably can be obtained by informing Japanese involved that information will be retained in intelligence channels and will not be employed as 'War Crimes' evidence".[13] The deal was concluded in 1948. However, twelve members of Unit 731 and some members of the World War II leadership of the Kwantung Army were sentenced as war criminals by the Khabarovsk War Crime Trials, while others were taken into custody by the United States, and sentenced at the 1948 International Military Tribunal for the Far East in Tokyo. Among those sentenced to death were former generals Seishirō Itagaki, Iwane Matsui, Kenji Doihara, Hideki Tōjō and Akira Mutō.

List of commanders

Kwantung Army

Commanding officer
NameFromTo
1-General Tachibana Kōichirō19196 January 1921
2General Misao Kawai6 January 192110 May 1922
3General Shinobu Ono10 May 192210 October 1923
4General Yoshinori Shirakawa10 October 192328 July 1926
5Field Marshal Baron Nobuyoshi Mutō28 July 192626 August 1927
6General Chotaro Muraoka26 August 19271 July 1929
7General Eitaro Hata1 July 192931 May 1930
8General Takashi Hishikari3 June 19301 August 1931
9General Shigeru Honjō1 August 19318 August 1932
10Field Marshal Baron Nobuyoshi Mutō8 August 193227 July 1933
11General Takashi Hishikari29 July 193310 December 1934
12General Jirō Minami10 December 19346 March 1936
13General Kenkichi Ueda6 March 19367 September 1939
14General Yoshijirō Umezu7 September 193918 July 1944
14General Otozō Yamada18 July 194411 August 1945

Chief of Staff
NameFromTo
1Major General Matasuke Hamamo12 April 191911 March 1921
2Major General Kaya Fukuhara11 March 19216 August 1923
3Major General Kawada Akiji6 August 19232 December 1925
4Major General Tsune Saito2 December 192510 August 1928
5Lieutenant General Koji Miyake10 August 19288 August 1932
6General Kuniaki Koiso8 August 19325 March 1934
7General Toshizo Nishio5 March 193423 March 1936
8General Seishirō Itagaki23 March 19361 March 1937
9General Hideki Tōjō1 March 193730 May 1938
10Lieutenant General Rensuke Isogai18 June 19387 September 1939
11Lieutenant General Jo Iimura7 September 193922 October 1940
12General Heitarō Kimura22 October 194010 April 1941
13General Teiichi Yoshimoto10 April 19411 August 1942
14Lieutenant General Yukio Kasahara1 August 19427 April 1945
15Lieutenant General Hikosaburo Hata7 April 194511 August 1945
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See also

References

Citations
  1. Harries, Soldiers of the Sun: The Rise and Fall of the Imperial Japanese Army
  2. Young, Japan's Total Empire: Manchuria and the Culture of Wartime Imperialism.
  3. Culver, Margaret S. "Manchuria: Japan's Supply Base." Far Eastern Survey, vol. 14, no. 12, 1945, pp. 160–163.
  4. Coox, Nomonhan: Japan Against Russia, 1939
  5. Yamamuro, Manchuria Under Japanese Domination.
  6. Glantz, p. 28
  7. Surrender of the Kwantung Army. Military Memoirs
  8. Thunder in the East. Vladimir Karpov. 2005
  9. The Soviet Strategic Offensive in Manchuria, 1945: August Storm By David M. Glantz.
  10. Budge, Pacific War Online Encyclopedia
  11. A Russian military publication on Kwantung Army
  12. Unit 731 Archived 2009-04-30 at the Wayback Machine
  13. Hal Gold, Unit 731 Testimony, 2003, p. 109

Sources
  • LTC David M. Glantz, "August Storm: The Soviet 1945 Strategic Offensive in Manchuria". Leavenworth Papers No. 7, Combat Studies Institute, February 1983, Fort Leavenworth Kansas.
  • Coox, Alvin (1990). Nomonhan: Japan Against Russia, 1939. Stanford University Press. ISBN 0-8047-1835-0.
  • Coox, Alvin (1977). The Anatomy of a Small War: The Soviet-Japanese Struggle for Changkufeng/Khasan, 1938. Greenwood Press. ISBN 0-8371-9479-2.
  • Dorn, Frank (1974). The Sino-Japanese War, 1937-41: From Marco Polo Bridge to Pearl Harbor. MacMillan. ISBN 0-02-532200-1.
  • Glantz, David (2003). The Soviet Strategic Offensive in Manchuria, 1945 (Cass Series on Soviet (Russian) Military Experience, 7). Routledge. ISBN 0-7146-5279-2.
  • Harries, Meirion (1994). Soldiers of the Sun: The Rise and Fall of the Imperial Japanese Army. Random House; Reprint edition. ISBN 0-679-75303-6.
  • Yamamuro, Shinichi (2005). Manchuria Under Japanese Domination. University of Pennsylvania Press. ISBN 0-8122-3912-1.
  • Young, Louise (1999). Japan's Total Empire: Manchuria and the Culture of Wartime Imperialism. University of California Press. ISBN 0-520-21934-1.
  • Jowett, Bernard (1999). The Japanese Army 1931-45 (Volume 2, 1942-45). Osprey Publishing. ISBN 1-84176-354-3.
  • Madej, Victor (1981). Japanese Armed Forces Order of Battle, 1937-1945. Game Publishing Company. ASIN: B000L4CYWW.
  • Marston, Daniel (2005). The Pacific War Companion: From Pearl Harbor to Hiroshima. Osprey Publishing. ISBN 1-84176-882-0.
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