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Imperial Japanese Army - Wikipedia, the free encyclopedia

Imperial Japanese Army

From Wikipedia, the free encyclopedia

IJA may also stand for the International Jugglers' Association

Imperial Japanese Army (IJA)
大日本帝國陸軍
Dai-Nippon Teikoku Rikugun

The ensign of the Imperial Japanese Army
Active 1867–1945
Country Empire of Japan
Allegiance Empire of Japan
Type Army
Engagements Sino-Japanese War, Russo-Japanese War, World War I, World War II
Commanders
Notable
commanders
Kotohito Kan'in, Hajime Sugiyama, Hideki Tojo, Yasuji Okamura, Shunroku Hata, Tadamichi Kuribayashi, Tomoyuki Yamashita, Masaharu Homma

The Imperial Japanese Army (IJA) (Kyūjitai: 大日本帝國陸軍, Shinjitai: 大日本帝国陸軍, Romaji: Dai-Nippon Teikoku Rikugun), or more officially Army of the Greater Japanese Empire was the official ground based armed force of Imperial Japan from 1867 to 1945. It was controlled by the Imperial Army General Staff Office and the Ministry of War, both of which were nominally subordinate to the emperor as supreme commander of the army and the navy. Later an Inspectorate General of Military (Army) Aviation, became the third agency with oversight over the army. During wartime or national emergencies, the nominal command functions of the emperor would be centralized in an Imperial General Headquarters (IGHQ), an ad-hoc body consisting of the chief and vice chief of the Army General Staff, the minister of war, the chief and vice chief of the Naval General Staff, the inspector general of military aviation, and the inspector general of military training.

Contents

[edit] History

[edit] Foundation

Training of the Shogunate troops by the first French Military Mission to Japan in 1867, just before the Boshin war (1868-1869) which led to the Meiji restoration.
Training of the Shogunate troops by the first French Military Mission to Japan in 1867, just before the Boshin war (1868-1869) which led to the Meiji restoration.

During the Meiji Restoration, the military forces loyal to the Emperor were samurai drawn primarily from the loyalist feudal domains of Satsuma and Chōshū. After the successful overthrow of the Tokugawa Shogunate (bakufu) and establishment of the new Meiji government modeled on European lines, a more formal military, loyal to the central government rather than individual domains, was recognized as a necessity to preserve Japan’s independence from western imperialism.

This central army, the "Imperial Japanese Army" (IJA), became even more essential after the abolition of the feudal domains in 1871. To reform the military, the government instituted nationwide conscription in 1873, mandating that every male serve in the armed forces for 3 years upon turning twenty-one. One of the primary differences between the samurai and peasant class was the right to bear arms; this ancient privilege was suddenly extended to every male in the nation.

[edit] Foreign assistance

Main article: Boshin War

The early Imperial Japanese Army was essentially developed with the assistance of French advisors, through the second French Military Mission to Japan (1872-1880), and the third French Military Mission to Japan (1884-1889). However, due to the German victory in the Franco-Prussian War, the Japanese government also relied on Prussia as a model for their army, and hired two German military advisors (Major Jakob Meckel, replaced in 1888 by von Wildenbrück and Captain von Blankenbourg) for the training of the Japanese General Staff from 1886 to April 1890: the Imperial Army General Staff Office, created after the Prussian Generalstab, was established directly under the Emperor in 1878 and was given broad powers for military planning and strategy.

Soldiers of the Imperial Japanese Army in 1875.
Soldiers of the Imperial Japanese Army in 1875.

In 1874, the Taiwan expedition was the first foray abroad of the new Imperial Japanese Navy and the Imperial Japanese Army.

Other known foreign military consultants were the Italian Major Pompeo Grillo, who worked at the Osaka foundry from 1884 to 1888, followed by Major Quaratezi from 1889 to 1890, and the Dutch Captain Schermbeck, who worked on improving coastal defenses from 1883 to 1886.

Japan did not use foreign military advisors between 1890 and 1918, until again a French Military Mission to Japan (1918-1919), headed by Commandant Jacques Faure, was requested to assist in the development of the Japanese air services.

[edit] Satsuma rebellion

Not surprisingly, the new order led to a series of riots from disgruntled samurai. One of the major riots was the one led by Saigō Takamori, the Satsuma rebellion, which eventually turned into a civil war. This rebellion was put down swiftly by conscripts in the newly- formed imperial army, trained in Western tactics and weapons, even though the core of the new army was actually the Tokyo Police force, consisting mostly of former samurai.

Soldiers of the Imperial Japanese Army during the Satsuma Rebellion (Garrison of Kumamoto, 1877).
Soldiers of the Imperial Japanese Army during the Satsuma Rebellion (Garrison of Kumamoto, 1877).

An imperial rescript of 1882 called for unquestioning loyalty to the Emperor by the new armed forces and asserted that commands from superior officers were equivalent to commands from the Emperor himself. Thenceforth, the military existed in an intimate and privileged relationship with the imperial institution.

Top-ranking military leaders were given direct access to the Emperor and the authority to transmit his pronouncements directly to the troops. The sympathetic relationship between conscripts and officers, particularly junior officers who were drawn mostly from the peasantry, tended to draw the military closer to the people. In time, most people came to look more for guidance in national matters to military commanders than to political leaders.

Japanese artillery unit, at the Koishikawa arsenal, Tokyo, in 1882. Photographed by Hugues Krafft.
Japanese artillery unit, at the Koishikawa arsenal, Tokyo, in 1882. Photographed by Hugues Krafft.

By the 1890’s, the Imperial Japanese Army had grown to become the most modern army in Asia, well-trained, well equipped and high in morale. However, it was basically an infantry force which at times was deficient in cavalry and artillery when compared with its European contemporaries. Artillery pieces, which were purchased from America and a variety of European nations, presented two problems: they were scarce, and the relatively small number that were available were in several different calibers, causing problems with their ammunition supply.

[edit] Operations

The IJA was involved in several major military operations. These were as follows:

[edit] Taiwan Expedition

The Taiwan Expedition of 1874 (Japanese: Taiwan Shuppei: 台湾出兵. In Taiwan, the expedition is referred to as the Mudan incident.) was a punitive expedition by the Japanese military forces following the murder of 54 crewmembers of a wrecked Ryukyuan merchant vessel by Paiwan aborigines on the southwestern tip of Taiwan in December 1871. It marks the first overseas deployment of the Imperial Japanese Army and Imperial Japanese Navy.

[edit] Sino Japanese War

Further information: First Sino-Japanese War

The First Sino-Japanese War (simplified Chinese: 中日甲午战争; traditional Chinese: 中日甲午戰爭; pinyin: Zhōngrì Jiǎwǔ Zhànzhēng; Japanese: 日清戦争 Romaji: Nisshin Sensō) (1 August 189417 April 1895) was a war fought between Qing Dynasty China and Meiji Japan over the control of Korea. The Sino-Japanese War would come to symbolize the degeneration and enfeeblement of the Qing Dynasty and demonstrate how successful modernization had been in Japan since the Meiji Restoration as compared with the Self-Strengthening Movement in China. The principal results were a shift in regional dominance in Asia from China to Japan and a fatal blow to the Qing Dynasty and the Chinese classical tradition. These trends would result later in the 1911 Revolution. Japan fielded a force of 120,000 in two armies and five divisions.


[edit] The Boxer Rebellion

Main article: Boxer Rebellion
Soldiers of the Imperial Japanese Army in 1900
Soldiers of the Imperial Japanese Army in 1900

In 1899-1900, Boxer attacks against foreigners in China intensified and later accumulated in the siege of the diplomatic legations in Beijing. An international force consisting of British, French, Russian, German, Italian, Austro-Hungarian, American and Japanese troops was assembled to relieve the legations. The Japanese provided the largest contingent - 20,840 troops, 18 warships, 540 naval rikusentai, and 20,300 troops of the 5th Infantry Division under Lt. General Yamaguchi Motoomi.

[edit] Russo-Japanese War

Further information: Russo-Japanese War

The Russo–Japanese War (Japanese: 日露戦争 Nichi-Ro Sensō, Russian: Русско-японская война, Chinese: 日俄戰爭 Rìézhànzhēng, February 10, 1904September 5, 1905) was a conflict that grew out of the rival imperialist ambitions of the Russian Empire and the Japanese Empire over Manchuria and Korea. The major theatres of operations were Southern Manchuria of China, specifically the area around the Liaodong Peninsula and Mukden, and the seas around Korea, the Yellow Sea and Japan. The Russians were in constant pursuit of a warm water port on the Pacific, for their navy as well as maritime trade. The recently established Pacific seaport of Vladivostok was the only active Russian port that was reasonably operational during the summer season; but Port Arthur would be operational all year. Japanese negotiations with the Tsar's Government since the end of their 1894 war with China (First Sino-Japanese War (1894-1895)) up until 1903, had proved futile; the Japanese chose war to maintain exclusive dominance in Korea.

The resulting campaigns, in which the fledgling Japanese military consistently attained victory over the forces arrayed against them, were unexpected by world observers. These victories, as time transpired, would dramatically transform the balance of power in East Asia, resulting in a sober reassessment of Japan's recent entry onto the world stage. The intensive training and discipline of the Imperial Japanese Army, and the astute decisions of commanders as battle approached, were the keys to these victories. The embarrassing string of defeats increased dissatisfaction of the Russian populace with the Tsar's inefficient and autocratic rule, and was a major cause of the Russian Revolution of 1905.

[edit] World War I

Imperial Japanese army uniform as worn on the expedition to Kiaochow.
Imperial Japanese army uniform as worn on the expedition to Kiaochow.

Japan participated in World War I (第一次世界大戦 Daiichiji Sekai Taisen?) from 1914 - 1917, as one of the major Entente Powers, played an important role in securing the sea lanes in South Pacific and Indian Oceans against the Kaiserliche Marine. The Asian and Pacific Theater of World War I was a largely bloodless conquest of a number of German controlled islands in the Pacific Ocean. The only real military action was the careful and well executed Japanese attack on German Tsingtao. Politically, Japan seized the opportunity to expand its sphere of influence in China, and to gain recognition as a great power in postwar geopolitics. At the end of World War I, the League of Nations transferred authority over Germany's Micronesian colonies to Japan, and after the Battle of Tsingtao, the German coaling port of Qingdao, in the Chinese Shandong peninsula, was also seized.

[edit] Post World War I

In 1918, Japan continued to extend its influence and privileges in China via the Nishihara Loans. Following the collapse of the Russian Empire in Bolshevik Revolution, Japan and the United States sent forces to Siberia in 1918 to bolster the armies of the White Movement leader Admiral Aleksandr Kolchak against the Bolshevik Red Army. In this Siberian Intervention, the Imperial Japanese Army initially planned to send more than 70,000 troops to occupy Siberia as far west as Lake Baykal. The plan was scaled back considerably due to opposition from the United States.

In July 1918, President Wilson asked the Japanese government to supply 7000 troops as part of an international coalition of 25,000 troops planned to support the American Expeditionary Force Siberia. After heated debate in the Diet, the administration of Prime Minister Terauchi Masatake agreed to send 12,000 troops, but under the command of Japan, rather than as part of an international coalition.

Once the political decision had been reached, the Imperial Japanese Army took over full control under Chief of Staff General Yui Mitsue, and by November 1918, more than 70,000 Japanese troops had occupied all ports and major towns in the Russian Maritime Provinces and eastern Siberia.

In June 1920, America and its allied coalition partners withdrew from Vladivostok after the capture and execution of White Army leader Admiral Aleksandr Kolchak by the Red Army. However, the Japanese decided to stay, primarily due to fears of the spread of communism so close to Japan, and Japanese controlled Korea and Manchuria. The Japanese army provided military support to the Japanese-backed Provisional Priamur Government based in Vladivostok against the Moscow-backed Far Eastern Republic.

The continued Japanese presence concerned the United States, which suspected that Japan had territorial designs on Siberia and the Russian Far East. Subjected to intense diplomatic pressure by the United States and Great Britain, and facing increasing domestic opposition due to the economic and human cost, the administration of Prime Minister Kato Tomosaburo withdrew the Japanese forces in October 1922.

[edit] Rise of militarism in Showa era

Hirohito in full dress uniform
Hirohito in full dress uniform

In the 1920s the Imperial Japanese Army expanded rapidly and by 1937 had a force of 300,000 men. Unlike western countries it enjoyed a great deal of independence from government. Under the provisions of the Meiji Constitution, the War Minister was held accountable only to the Emperor Hirohito himself, and not to the elected civilian government. In fact, Japanese civilian administrations needed the support of the Army in order to survive. The Army controlled the appointment of the War Minister and in 1936 a law was passed that stipulated that only an active duty general or lieutenant-general could hold the post. As a result, the military spending as a proportion of the national budget rose disproportionately in the 1920s and 1930s, and various factions within the military exerted disproportionate influence on Japanese foreign policy.

The Imperial Japanese Army was originally known simply as the Army (rikugun) but after 1928, as part of the Army's turn toward romantic nationalism and also in the service of its political ambitions, it retitled itself the Imperial Army (kōgun).

Action by the military, largely independent of the civilian leadership, led to the invasion of Manchuria in 1931; and the subsequent Second Sino-Japanese War and Pacific War. As war approached, the Imperial Army's influence with the Emperor waned and the influence of the Imperial Japanese Navy increased.

[edit] World War II

In 1941, the Imperial Japanese Army had 51 divisions and various special-purpose artillery, cavalry, anti-aircraft and armored units with a total of 1,700,000 men. At the beginning of the Second World War most of the Japanese Army was stationed in China. However, from 1942 soldiers were sent to Hong Kong (23rd Army), the Philippines (14th Army), Thailand (15th Army), Burma (15th Army), Dutch East Indies (16th Army) and Malaya (25th Army).

The Japanese Army performed well in the early stages of the war. After 1943 they suffered from a shortage of supplies, to include heavy weapons, guns, tanks and aircraft, and was worsened by a long-standing and severe rivalry with the Imperial Japanese Navy. By 1945 there were 5.5 million men in the Imperial Japanese Army.

Lt Gen Arthur Percival, led by a Japanese officer (center), marches under a flag of truce to negotiate the capitulation of Allied forces during the Battle of Singapore, on February 15, 1942.
Lt Gen Arthur Percival, led by a Japanese officer (center), marches under a flag of truce to negotiate the capitulation of Allied forces during the Battle of Singapore, on February 15, 1942.

Throughout the Second Sino-Japanese War and World War II, the Imperial Japanese Army had gained a reputation both for its fanaticism and for its brutality against prisoners of war and civilians alike. After Japan surrendered in the summer of 1945, many Imperial Japanese Army officers and enlisted men were tried and punished for committing numerous atrocities and war crimes.

Several reasons are theorized for the especially brutal and merciless behavior exhibited by many members of the IJA towards their adversaries or non-Japanese civilians. One is probably the brutal behavior that they themselves experienced. The IJA was known for the extremely harsh treatment of its enlisted soldiers, including beatings, unnecessarily strenuous duty tasks, lack of adequate food, and other violent or harsh disciplinary tactics.

After the defeat of Japan in World War II, the Imperial Japanese Army was formally dissolved in September 1945 by the U.S. occupying forces.

[edit] Post World War Two

In 1947 the Japanese formed the Public Security Force which later in 1954, formed the basis of the newly created Ground Self Defense Force. These forces, though significantly smaller than the Imperial Japanese Army and nominally for defensive purposes only, constitute the modern army of Japan.

[edit] Imperial General Headquarters and the power of the Emperor in Showa era

During the first part of the Showa era, according to the Meiji Constitution, the Emperor had the "supreme command of the Army and the Navy" (Article 11). Hirohito was thus legally supreme commander of the Imperial General Headquarters, founded in 1937 and by which the military decisions were made.

The primary sources such as the "Sugiyama memo", and the diaries of Fumimaro Konoe and Koichi Kido, describe in detail the many informal meetings the Emperor had with his chiefs of staff and ministers. These documents show that he was kept informed of all military operations and frequently questioned his senior staff and asked for changes.

According to historians Yoshiaki Yoshimi and Seiya Matsuno, Hirohito authorized by specific orders, transmitted by the Chief of staff of the Army such as prince Kan'in or Hajime Sugiyama, the use of chemical weapons against Chinese civilians and soldiers. For example, he authorized the use of toxic gas on 375 separate occasions during the invasion of Wuhan in 1938. [1] Such weapons were also authorized during the invasion of Changde.

According to historians Akira Fujiwara and Akira Yamada, Hirohito even made major interventions in some military operations. For example, he pressed Sugiyama four times, on January and February 1942, to increase troop strength and launch attack on Bataan. [2] On August 1943, he scolded Sugiyama who could not stop the American advance on the Solomon Islands and asked him to consider other places to attack. [3].

Only in rare moments of special importance, decisions were made in Imperial council. The Imperial government used this special institution to sanction the invasion of China, the Greater East Asia War and to end the war. In 1945, executing the decision approved in Imperial conference, Emperor Showa for the first and last time directly ordered via recorded radio broadcast to all of Japan, as his last role as commander-in-chief, the surrender to United States forces.

[edit] Ideology

Japanese nationalism meant that the military was built around a concept of the time period: a Rich Country has a Strong Military. Nationalists asserted that Japan as a land was sacred, and its people were special due to a combination of Zen-Chan and various forms of Japanese Buddhism with Shinto. Service in the Japanese military was seen as service to the Emperor. Each soldier in theory believed it was a great honor to die for the Emperor as the samurai concept "to serve" was deeply ingrained in all the soldiers' culture.

The concept of Yamato-damashii equipped each soldier with a strict code: never be captured, never break down, and never surrender. To be a coward or to be captured was a disgrace to one's family, community, and country. Each soldier was trained to fight to the death and was expected to die before suffering dishonor. Often, imperial soldiers would shout "Banzai" before charging into battle, believing that the exuberant cheer would indicate their willingness to die with honor. Every soldier accepted that they were expected to serve stoically as part of their bushido, represented in the idea of "death before dishonor". Sadao Araki, an Army theorist, devised the contemporary adaptation to bushido code as a Seishin Kyoiku (spiritual training) doctrine for the army. As such, each soldier would leave everything behind when going into the service, needing nothing but honor. Indeed, honor as represented by name and face meant everything to these soldiers. Yamato Damashi is an old Nippon spirit of self-pride and persistence in the face of grave danger, a sort of kokoro.

Tied in with this concept of Bushido was immense, religious respect for the Emperor. Although during Meiji and Taisho eras, the Emperor was practically a figurehead, with the real power being held by the bureaucrats underneath him, he was still considered a divine figure. In theory the commander in chief, the Emperor usually went along with whatever the government "asked" him to do. The Emperor wore the commander-in-chief's uniform, and was saluted by the Imperial Forces, at all ceremonial functions involving the IJA forces.

At the time, the Imperial government could only mobilize the military if the cabinet ministers came to a unanimous consensus on the order. The role of the Emperor lay in giving his blessing to execute and bind such orders. Since the Emperor was required to be present at all Imperial government meetings for their decision to be binding, The Emperor silently observed all the official arguments made by the ministers. Presuming his blessing was given, after an agreement of the ministers, these requests became the orders of the Emperor, enforceable upon the people of Japan.

[edit] Growth of the IJA

  • 1870, consisted of 12,000 men.
  • 1885, consisted of seven divisions including the Imperial Guard Division.
  • In the early 1900s, the IJA consisted of 12 divisions, the Imperial Guard Division, and numerous other units. These contained the following:
    • 380,000 active duty and 1st Reserve personnel - former Class A and B(1) conscripts after 2 year active tour with 17 and 1/2 year commitment
    • 50,000 Second line Reserve - Same as above but former Class B(2) conscripts
    • 220,000 National Army
      • 1st National Army - 37 to 40 year old men from end of 1st Reserve to 40 years old.
      • 2nd National Army - untrained 20 year olds and over 40 year old trained reserves.
    • 4,250,000 males available for service and mobilization.
  • 1934 - army increased to 17 Divisions
  • 1940 - 376,000 active with 2 million reserves in 31 divisions
    • 2 Divisions in Japan (Imperial Guard plus one other)
    • 2 Divisions in Korea
    • 27 Divisions in China and Manchuria
  • In late 1941 - 460,000 active in 41 divisions
    • 2 divisions in Japan and Korea
    • 12 divisions in Manchuria
    • 27 divisions in China
    • plus 59 Brigade equivalents.
      • Independent brigades, Independent Mixed Brigades, Cavalry Brigades, Amphibious Brigades, Independent Mixed regiments, Independent Regiments.
  • Japan Defense Army in 1945 had 55 divisions with 2 million men.

Total military in August 1945 was 6,095,000.

[edit] Arsenals

The Imperial Japanese Army managed various Arsenals:

  • Japanese Army Sagami Arsenal - with Mitsubishi, developed and manufactured tanks
  • Japanese Army Osaka Arsenal - with Mitsubishi and Hitachi manufactured tanks and artillery
  • Japanese Army Sasebo Arsenal - with Mitsubishi, manufactured tanks
  • Japanese Army Heijo Arsenal - with Nambu, manufactured hand and long infantry weapons
  • Japanese Army Mukden Arsenal - with Nambu, manufactured infantry weapons
  • Japanese Army Kokura Arsenal - with Nambu, manufactured small arms and Machine Guns
  • Japanese Army Tokyo Arsenal - the Army administrative and testing center related with light and heavy weapons production
  • Japanese Army Tachikawa Arsenal - dedicated to develop and manufacture aircraft for the Imperial Japanese Army Air Service

[edit] Organization of the Imperial Japanese Army

[edit] Japanese armies

In the Imperial Japanese Army (IJA), the term Gun, literally meaning "army", was used in a different way to the military forces of other countries. A So-Gun, meaning "General Army", was the term used in the IJA for an army group. Of a similar but slightly lower status was a Haken Gun, or "Expeditionary Army". A Homen Gun ("Area Army" or "Theatre Army") was equivalent to the field armies of other nations and a Gun ("Army") was equivalent to a corps in other armies.

[edit] Japanese divisions

As the IJA was an infantry force the most common type of division was the infantry division. Later four tank and one parachute division were formed. The first 18 infantry divisions were originally formed as square divisions, and after 1938, most of the remainder were formed as triangular divisions with the security divisions being binary divisions. During the course of its existence the IJA organized three Guards Divisions and over 220 infantry divisions of various types(A/Reinforced,B/Standard,C/Counter-insurgency). On 7 December the IJA had two divisions serving in Japan/Korea and 50 serving abroad, most in China. During the war another 117 were raised for foreign service and 56 were raised for national defense. These totaled 223 including the Imperial Guard. Of this total no more than 35, that is one fifth of the IJA infantry division total, fought in the Pacific theatre.

[edit] Brigades and equivalents

The Japanese Imperial Army had two types of Mixed Brigades.

  • First type was the divisional Mixed Brigade. This was the semi-permanent detachment of a brigade from an Infantry Division with various Divisional support units or units attached from its Corps or Army. This provided a combined arms force of infantry, artillery, cavalry and other support units.
  • Second was the Independent Mixed Brigade. These were detachments made of various units detached from other units or independent support units formed together in a brigade. The first two Independent Mixed Brigades, formed by the Kwantung Army in the 1930s was the IJA 1st Independent Mixed Brigade and the IJA 11th Independent Mixed Brigade. Each of these brigades were organized in a unique manner and one of them, the 11th was later formed into the IJA 26th Division.
    • Later a series of Independent Mixed Brigades were formed for the purpose of garrisoning the large territories of China captured in the early phase of the Second Sino-Japanese War. This variety for China was usually organized with five infantry battalions, an artillery unit, and labor troops. In the Pacific theater they had different and more varied configurations of subordinate units.
  • Third was the Independent Infantry Brigade. These were Brigades raised as garrison units mostly for China.
  • A few Amphibious Brigades were formed for use in the Pacific theater. These 3,500 man Sea-Landing Brigades, were used to conduct amphibious assaults on an island but afterwards they stayed to garrison that island. Only one, the First, has been positively identified so far.

[edit] Regiments

The IJA maintained two types of Independent Regiments, both were used to provide garrisons in occupied areas.

  • Independent Mixed Regiments - contained an infantry regiment with various support elements such as;an artillery company, engineers, supply and services, etc.
  • Independent Regiments - just the basic IJA infantry regiment with any attachments.

[edit] Detachments

Detachments were particular military formations of the Imperial Japanese Army. Similar to German Kampfgruppen, these detachments were usually a force of infantry, artillery, armor, and other support units which were temporarily assigned for independent action and had a special mission. They were usually named after their commanders or the area in which they were to operate, and could be any size below division.

[edit] Cavalry

Cavalry were formed in Regiments most were either operating attached to Infantry divisions or directly under a Brigade attached to an army prior to the formation of the Cavalry Group in 21 April 1933.

[edit] Artillery

  • IJA Artillery Units

[edit] Other units

  • Special Research Units were covert medical experiment units which conducted biological warfare research and development through human experimentation during the Second Sino-Japanese War (1937 - 1945) and World War II. These units responsible for some of the most notorious war crimes carried out by Japanese personnel. Initially set up as a political and ideological section of the Kempeitai military police of pre-Pacific War Japan, they were meant to counter the ideological or political influence of Japan's enemies, and to reinforce the ideology of military units
  • Kempeitai Auxiliary units consisting of regional ethnic forces in occupied areas. Troops supplemented the Kempei Tai and were considered part of the organization but were forbidden by law to rise above the rank of Shocho (Sergeant Major). According to United States Army's TM-E 30-480 Handbook On Japanese Military Forces, there were over 36,000 regular members of the Kempeitai at the end of the war; this did not include the many ethnic "auxiliaries". As many foreign territories fell under the Japanese military occupation during the 1930s and the early 1940s, the Kempeitai recruited a large number of locals in those territories. Taiwanese and Koreans were used extensively as auxiliaries to police the newly occupied territories in Southeast Asia, although the Kempeitai recruited French Indochinese (especially, from among the Cao Dai religious sect), Malaysians and others. The Kempeitai may have trained Trinh Minh The, a Vietnamese nationalist and military leader. Some sources report that the Kempeitai recruited criminals as law enforcers.

[edit] Casualties

Over the course of the Imperial Japanese Army's existence, millions of its soldiers were either killed, wounded or went missing in action.

543 (12 killed in battle and 531 by disease).

  • First Sino-Japanese War

The IJA suffered 13,823 dead and 3,973 wounded.

  • Russo-Japanese War

The number of total Japanese dead in combat is put at around 47,000 with around 80,000 if disease is included.

  • World War One

1,455 Japanese were killed, mostly at the Battle of Tsingtao

  • World War Two
    • Deaths
      • 2,566,000 Armed Forces dead including non-combat deaths, plus 672,000 civilian dead.
        • includes 1,506,000 killed in action
    • 810,000 missing in action and presumed dead.
    • 7,500 prisoners of war.
Imperial Japanese Military
Administration
Imperial General Headquarters
Components
Navy Imperial Japanese Navy
(Dai Nippon Teikoku Kaigun)
        Imperial Japanese Navy Air Service
    Major battles
    List of ships
    List of aircraft
    Main admirals
Army Imperial Japanese Army
(Dai Nippon Teikoku Rikugun)
        Imperial Japanese Army Air Service
        Railways and Shipping Section
    Uniforms
Rank insignia
Naval rank insignia
Army rank insignia
History of the Japanese Military
Military History of Japan during World War II


[edit] See also

Imperial Japanese Army special research units
Unit 100 (Shenyang) | Unit 516 (Qiqihar) | Unit 543 (Hailar) | Unit 731 (Pingfang) / Unit 200 (Manchuria) / Unit 8604 or Nami Unit (Guangzhou) | Unit 773 (Songo) | Unit Ei 1644 (Nanjing) | Unit 1855 (Nanjing) | Unit 2646 or Unit 80 (Hailar) | Unit 9420 or Oka Unit (Singapore)


[edit] References

[edit] Notes

  1. ^ Yoshimi and Matsuno, Dokugasusen Kankei Shiryo II, Kaisetsu, 1997, p.25-29.
  2. ^ Fujiwara, Showa tenno no ju-go nen senso, 1991, p.135-138, Yamada, Daigensui Showa tenno, 1994, p.180, 181, 185
  3. ^ Herbert Bix, Hirohito and the making of modern Japan, 2000, p.466,citing the Sugiyama memo, p.24

[edit] Books

  • Drea, Edward J. (1998). In the Service of the Emperor: Essays on the Imperial Japanese Army. Nebraska: University of Nebraska Press. ISBN 0-8032-1708-0. 
  • Harries, Meirion; Susie Harries (1994). Soldiers of the Sun : The Rise and Fall of the Imperial Japanese Army. New York: Random House. ISBN 0-679-75303-6. 
  • Hayashi, Saburo; Alvin D. Cox (1959). Kogun: The Japanese Army in the Pacific War. Quantico, VA: The Marine Corps Association. 

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