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Organization Of The Imperial Japanese Army
This article details the organization of the Imperial Japanese Army. Basic organisational structure At the outbreak of the Second World War, the basic structure of the Imperial Japanese Army was as follows: *Imperial Army (~230,000–250,000 men) – Commanded by Marshal HIH Prince Kan-in-Kotohito *General Army (総軍 Sō-gun equivalent to the Army Group or Front) – Commanded by a Marshal or General *Area Army (方面軍 Hōmen-gun 1942–1945 equivalent to the Field Army) – Commanded by a General or Lieutenant-General *Army (equivalent to the Corps)- Commanded by a Lieutenant-General *Division (~20,000 men) – Consisted of 3 infantry regiments, 1 cavalry regiment, 1 artillery regiment, 1 engineering battalion and 1 army service corps. Commanded by a Lieutenant-General. *Independent Brigade (~5600 men) – Consisted of 5 battalions, along with other units. Commanded by a Major-General. *Regiment (~3,800 men) – Consisted of 3 battalions, each of 1,100 men, along with oth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Imperial Japanese Army
The was the official ground-based armed force of the Empire of Japan from 1868 to 1945. It was controlled by the Imperial Japanese Army General Staff Office and the Ministry of the Army, both of which were nominally subordinate to the Emperor of Japan as supreme commander of the army and the Imperial Japanese Navy. Later an Inspectorate General of Aviation became the third agency with oversight of 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 the Army, the chief and vice chief of the Naval General Staff, the Inspector General of Aviation, and the Inspector General of Military Training. History Origins (1868–1871) In the mid-19th century, Japan had no unified national army and the country was made up of feudal domains (''han'') with the Tokugawa shogunate (''bakufu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IJA 1st Independent Mixed Brigade
The 1st Independent Mixed Brigade or 1st Mixed Brigade (獨立混成第1旅團) was an experimental combined arms formation of the Imperial Japanese Army. In July 1937, at the beginning of the Second Sino-Japanese War, the brigade was known as the Sakai Brigade, for its commander, Lt. General Koji Sakai. The brigade participated in Battle of Taiyuan in late 1937. After being promoted lieutenant general Masaomi Yasuoka took command from 1938 to 1939. The tank component, all but the 4th Tank Battalion, was pulled from the brigade in 1938. Major General Suzuki Teiji assumed command in 1941. By 1944 defense of the Japanese homeland prompted the creation of the inner line of defense extending northward from the Carolines, the Marianas, and the Ogasawara Islands. The brigade was assigned to the 31st Army under General Hideyoshi Obata. There the 1st Mixed Brigade and the 2nd Mixed Brigade became part of the 109th Division, commanded by General Tadamichi Kuribayashi. The 1st Mixe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kwantung Army
''Kantō-gun'' , image = Kwantung Army Headquarters.JPG , image_size = 300px , caption = Kwantung Army headquarters in Hsinking, Manchukuo , dates = April 1919 – August 1945 , country = , allegiance = Emperor of Japan , branch = , type = General Army , size = 300,000 (1940)763,000 (1941)713,000 (1945) , command_structure = , garrison = Ryojun, Kwantung Leased Territory (1906–1932) Hsinking, Manchukuo (1932–1945) , garrison_label = , nickname = , "Virtue" , patron = , motto = , colors = , colors_label = , march = , mascot = , equipment ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of IJA Mixed Brigades
The Japanese Imperial Army had divisional mixed brigades, which were the 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. List of Japanese Imperial Army Mixed Brigades * Guards Mixed Brigade * 2nd Guards Mixed Brigade (Japan) * 4th Mixed Brigade (Imperial Japanese Army) – Manchuria 1931–1932 * 8th Mixed Brigade (Imperial Japanese Army) – Manchuria 1931–1932 * 14th Mixed Brigade (Imperial Japanese Army) – Manchuria 1931–1932 * 15th Mixed Brigade (Imperial Japanese Army) ** Katayama Detachment – Manchukuo 1939 * 24th Mixed Brigade (Imperial Japanese Army) – Shanghai 1932 * 33rd Mixed Brigade (Imperial Japanese Army) – China 1933 * 39th Mixed Brigade (Imperial Japanese Army) – Manchuria 1931 * Karafuto Mixed Brigade (Imperial Japanese Army) – Sakhalin 1939 – February 1945 (reformed to 8 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type 89 15 Cm Cannon
The Type 89 15 cm cannon was the main gun of the Imperial Japanese Army's heavy artillery units. The ''Type 89'' designation was given to this gun as it was accepted in the year 2589 of the Japanese calendar (1929).War Department Special Series No 25 ''Japanese Field Artillery'' October 1944 It was widely used from the Manchurian Incident to the end of World War II, for example, Nomonhan, Bataan and Corregidor Island, Okinawa. The Type 89 15 cm gun was comparable to the U.S. M1918 155 mm GPF cannon, but the Type 89 had shorter range. The Type 89 was less efficient than similar heavy-caliber guns of other nations in World War II. Design The trail was the split-box type trail with detachable spades and a split-trail gun cariage. The traversing hand wheel and the scale were located on the left side of the carriage. The elevation scale, the range drum, and the sight were on the right side of the carriage. When being moved, the cannon barrel and cariage are each drawn by a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type 96 15 Cm Howitzer
The was a 149.1 mm calibre howitzer used by the Imperial Japanese Army during World War II. It was intended to replace the Type 4 15 cm howitzer in front line combat units from 1937, although it fired the same ammunition. It was first used in the Sino-Japanese War where in earned high praise from its users. Type 96 was used as the main howitzer of the IJA heavy artillery units until the end of WWII. The Type 96 designation was given to this gun as it was accepted in the year 2596 of the Japanese calendar (1936).War Department Special Series No 25 ''Japanese Field Artillery'' October 1944 History and development Work on developing a new field howitzer for the Japanese Army began in 1920 and continued for over a decade. The Japanese Army sent numerous military attachés to Europe during World War I and observed the effectiveness of sustained artillery barrages against fixed defenses and opposing infantry. The final specifications to meet the Army's requirements called for a ho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type 92 10 Cm Cannon
The was a field gun used by the Imperial Japanese Army during the Second Sino-Japanese War and World War II. The Type 92 number was designated for the year the gun was accepted, 2592 in the Japanese imperial year calendar, or 1932 in the Gregorian calendar.War Department Special Series No 25 ''Japanese Field Artillery'' October 1944 The Type 92 cannon was intended to supersede the Type 14 10cm cannon in front-line combat service. History and development The Type 92 10 cm cannon was developed from 1923–1924, as a long range alternative to the Imperial Japanese Army's existing 75 mm field artillery. Production was delayed due to technical issues, notably a desire by the army to reduce the weight of the weapon to a minimal level, and additional requirements issued by the army in 1927 to increase the range of the yet-to-be-completed weapon to . A suitable prototype was finally completed in 1932, and, after extensive testing, went into production and combat service in 193 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type 91 10 Cm Howitzer
The was a howitzer used by the Imperial Japanese Army during the Second Sino-Japanese War and World War II. As the standard Japanese light howitzer of the period, it was influenced by Schneider designs and was considered to be light, robust and reliable. Type 91 howitzers were issued to artillery regiments where they would supplement 75mm field guns. The Type 91 number was designated for the year the gun was accepted, 2591 in the Japanese imperial year calendar, or 1931 in the Gregorian calendar.War Department Special Series No 25 ''Japanese Field Artillery'' October 1944 History and development The Type 91 10 cm howitzer was an orthodox design howitzer, based largely on contemporary French Army, French Canon de 105 mle 1913 Schneider howitzers ordered during the late 1920s by the Japanese Army Technical Bureau for evaluation purposes. It was intended to supplement, and eventually supersede the largely obsolete Type 38 15 cm howitzer, which had been in service since the e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reconnaissance Regiments (Japan)
Reconnaissance regiment (Sōsaku-rentai (搜索聯隊) or Sōsaku-tai (搜索隊)) in Japanese language, was the type of the military establishment within Imperial Japanese Army in the 1940-1945 period. ''Reconnaissance regiment'' was the type of unit derived from Cavalry regiment, tasked with combat scouting. In Japanese military literature ''reconnaissance regiment'' is usually abbreviated by SO letters. These regiments were attached to the large number of the Japanese division at the opening stages of the Pacific War. In modern Japan, these regiments are equivalent to Reconnaissance battalion in the divisions of the Japan Ground Self-Defense Force. Historical background During the Second Sino-Japanese War, the Japanese military commanders were frequently challenged with situations requiring reconnaissance, rapid messages transfer and using the advantages of the maneuver warfare. Such tasks in Japanese army were regularly performed by cavalry regiments (see Japanese cavalry regime ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epidemic Prevention And Water Purification Department
The Epidemic Prevention and Water Purification Department was a department of the Imperial Japanese Army from 1936 to the dissolution of the Army in 1945. While its public mission was to prevent the spread of disease and monitor water supply, several field armies also assigned units the mission of manufacturing biological weapons. Many units also performed unethical human experimentation, such as Unit 731, in which thousands of prisoners of war and civilians were tortured to death over the course of years. Organization The department was organized under the following system: * Unit 691 was under control of the Kwantung Army. ** The central office of Unit 691 was Unit 731, infamous for its secret commitment to chemical and biological weapons and performing human experimentation. It had several branches, all of which were involved with biological warfare research: *** Unit 162 ( Linkou) *** Unit 643 (Hailin) *** Unit 673 (Sunwu) *** Unit 319 was another sub-unit, which apparently ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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