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Imperial Japanese Army Shipping Artillery
The Imperial Japanese Army (IJA) established several shipping artillery units during the Pacific War. These units provided defensive guns and gun crews for the transport ships operated by the Army, as well as merchant vessels chartered by the service. In December 1941 the IJA had a single shipping artillery unit, the Shipping Artillery Regiment. The regiment comprised two anti-aircraft battalions, a machine cannon battalion and a depot responsible for training replacement personnel. By early 1944 the Shipping Artillery Regiment had been reorganised into two units, the 1st and 2nd Shipping Artillery Regiments. The 1st Shipping Artillery Regiment was based in Japan. The 2nd Shipping Artillery Regiment was initially based in Singapore, but moved to Manila in the Philippines in July 1944. Each regiment's table of organisation strength was 15 anti-aircraft batteries, three light anti-aircraft batteries, three surface gun batteries, two sea watch companies, a mortar company, a machine g ...
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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 ...
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Pacific War
The Pacific War, sometimes called the Asia–Pacific War, was the theater of World War II that was fought in Asia, the Pacific Ocean, the Indian Ocean, and Oceania. It was geographically the largest theater of the war, including the vast Pacific Ocean theater, the South West Pacific theater, the Second Sino-Japanese War, and the Soviet–Japanese War. The Second Sino-Japanese War between the Empire of Japan and the Republic of China had been in progress since 7 July 1937, with hostilities dating back as far as 19 September 1931 with the Japanese invasion of Manchuria. However, it is more widely accepted that the Pacific War itself began on 7 December (8 December Japanese time) 1941, when the Japanese simultaneously invaded Thailand, attacked the British colonies of Malaya, Singapore, and Hong Kong as well as the United States military and naval bases in Hawaii, Wake Island, Guam, and the Philippines. The Pacific War saw the Allies pitted against Japan, the latter ai ...
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Regiment
A regiment is a military unit. Its role and size varies markedly, depending on the country, service and/or a specialisation. In Medieval Europe, the term "regiment" denoted any large body of front-line soldiers, recruited or conscripted in one geographical area, by a leader who was often also the feudal lord ''in capite'' of the soldiers. Lesser barons of knightly rank could be expected to muster or hire a company or battalion from their manorial estate. By the end of the 17th century, infantry regiments in most European armies were permanent units, with approximately 800 men and commanded by a colonel. Definitions During the modern era, the word "regiment" – much like "corps" – may have two somewhat divergent meanings, which refer to two distinct roles: # a front-line military formation; or # an administrative or ceremonial unit. In many armies, the first role has been assumed by independent battalions, battlegroups, task forces, brigades and other, similarly s ...
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Battalion
A battalion is a military unit, typically consisting of 300 to 1,200 soldiers commanded by a lieutenant colonel, and subdivided into a number of companies (usually each commanded by a major or a captain). In some countries, battalions are exclusively infantry, while in others battalions are unit-level organizations. The word battalion came into the English language in the 16th century from the French language ( French: ''bataillon'' meaning "battle squadron"; Italian: ''battaglione'' meaning the same thing; derived from the Vulgar Latin word ''battalia'' meaning "battle" and from the Latin word ''bauttere'' meaning "to beat" or "to strike"). The first use of the word in English was in the 1580s. Description A battalion comprises two or more primary mission companies which are often of a common type (e.g., infantry, tank, or maintenance), although there are exceptions such as combined arms battalions in the U.S. Army. In addition to the primary mission companies, a battal ...
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Autocannon
An autocannon, automatic cannon or machine cannon is a fully automatic gun that is capable of rapid-firing large-caliber ( or more) armour-piercing, explosive or incendiary shells, as opposed to the smaller-caliber kinetic projectiles (bullets) fired by a machine gun. Autocannons have a longer effective range and greater terminal performance than machine guns, due to the use of larger/heavier munitions (most often in the range of , but bigger calibers also exist), but are usually smaller than tank guns, howitzers, field guns or other artillery. When used on its own, the word "autocannon" typically indicates a non-rotary weapon with a single barrel. When multiple rotating barrels are involved, such a weapon is referred to as a "rotary autocannon" or occasionally "rotary cannon", for short (particularly on aircraft). Autocannons are heavy weapons that are unsuitable for use by infantry. Due to the heavy weight and recoil Recoil (often called knockback, kickback o ...
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Singapore
Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, bordering the Strait of Malacca to the west, the Singapore Strait to the south, the South China Sea to the east, and the Straits of Johor to the north. The country's territory is composed of one main island, 63 satellite islands and islets, and one outlying islet; the combined area of these has increased by 25% since the country's independence as a result of extensive land reclamation projects. It has the third highest population density in the world. With a multicultural population and recognising the need to respect cultural identities of the major ethnic groups within the nation, Singapore has four official languages: English, Malay, Mandarin, and Tamil. English is the lingua franca and numerous public services are available only in Eng ...
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Manila
Manila ( , ; fil, Maynila, ), officially the City of Manila ( fil, Lungsod ng Maynila, ), is the capital of the Philippines, and its second-most populous city. It is highly urbanized and, as of 2019, was the world's most densely populated city proper. Manila is considered to be a global city and rated as an Alpha – City by Globalization and World Cities Research Network (GaWC). It was the first chartered city in the country, designated as such by the Philippine Commission Act 183 of July 31, 1901. It became autonomous with the passage of Republic Act No. 409, "The Revised Charter of the City of Manila", on June 18, 1949. Manila is considered to be part of the world's original set of global cities because its commercial networks were the first to extend across the Pacific Ocean and connect Asia with the Spanish Americas through the galleon trade; when this was accomplished, it marked the first time in world history that an uninterrupted chain of trade routes circling ...
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Table Of Organization And Equipment
A table of organization and equipment (TOE or TO&E) is the specified organization, staffing, and equipment of Military unit, units. Also used in acronyms as 'T/O' and 'T/E'. It also provides information on the mission and capabilities of a unit as well as the unit's current status. A general TOE is applicable to a type of unit (for instance, an infantry battalion) rather than a specific unit (the 2nd Battalion, 4th Infantry Regiment (United States), 4th Infantry Regiment). Sometimes, all units of the same branch (such as Infantry) follow the same structural guidelines; much more often, there are a wide variety of TOEs to suit specific circumstances (Modified Tables of Organization and Equipment (MTOEs), in the United States Army, for example). Soviet Union and Russia In the Red Army, Soviet and the Russian Armed Forces the term used for TO&E since the 1930s is ''"Shtatnoe raspisanie"'' (''Штатное расписание'', literally translated as Shtat Prescription). It orig ...
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Imperial Japanese Navy
The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender in World War II. The Japan Maritime Self-Defense Force (JMSDF) was formed between 1952–1954 after the dissolution of the IJN. The Imperial Japanese Navy was the third largest navy in the world by 1920, behind the Royal Navy and the United States Navy (USN). It was supported by the Imperial Japanese Navy Air Service for aircraft and airstrike operation from the fleet. It was the primary opponent of the Western Allies in the Pacific War. The origins of the Imperial Japanese Navy go back to early interactions with nations on the Asian continent, beginning in the early medieval period and reaching a peak of activity during the 16th and 17th centuries at a time of cultural exchange with European powers during the Age of Discovery. After t ...
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Central Pacific Area Fleet
The was a fleet of the Imperial Japanese Navy established during World War II. History The Central Pacific Area Fleet was a short-lived operational headquarters of the Imperial Japanese Navy, established on March 4, 1944. With United States Navy forces having driven the Japanese out of the Marshall Islands and Caroline Islands in late 1943 to early 1944, the remnants of Japanese naval forces from those areas regrouped under the direction of Admiral Chuichi Nagumo. The new Central Pacific Area Fleet was a combined operational command containing air ( IJN 14th Air Fleet) and ground ( IJA 31st Army) elements, and was tasked with the defense of the Mariana Islands and Palau, from its command center in Saipan. With the fall of Saipan The Battle of Saipan was a battle of the Pacific War, Pacific campaign of World War II, fought on the island of Saipan in the Mariana Islands from 15 June to 9 July 1944 as part of Operation Forager. It has been referred to as the "Pacific D-Da ... ...
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Defensively Equipped Merchant Ship
Defensively equipped merchant ship (DEMS) was an Admiralty Trade Division programme established in June 1939, to arm 5,500 British merchant ships with an adequate defence against enemy submarines and aircraft. The acronym DEMS was used to describe the ships carrying the guns, the guns aboard the ships, the military personnel manning the guns, and the shore establishment supporting the system. Background In the eighteenth and nineteenth centuries, European countries such as Spain, France, the Netherlands and Britain armed their merchant ships to prevent capture by pirates, enemy commerce raiders and privateers when they conducted overseas trade. The most heavily armed were ships carrying valuable cargo back from the Far East. Notably the East Indiamen class of ships were constructed from the keel up with defence in mind, with their heavy armament making some of the most powerful examples equivalent to naval Fourth-rate ships of the line. After the end of the Napoleonic Wars in 18 ...
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Imperial Japanese Army Railways And Shipping Section
The Imperial Japanese Army Railway and Shipping Section was the logistics unit of the Imperial Japanese Army charged with shipping personnel, material and equipment from metropolitan Japan to the combat front overseas. __TOC__ Railway Under it were the Railway Ministry, the South Manchuria Railway, Chinese Eastern Railway (later absorbed by the Manchukuo National Railway), the North China Transportation Company, the Central China Railway, Southern Asian Railway facilities amongst Civil Merchants shipping transports. It also worked with the Imperial Japanese Navy Shipping Services. The section was commanded by Okikatsu Arao, Sōsaku Suzuki and other Army officers. The section comprised the First (Operations) and Third (Transportation and Communications) bureaux, the 2nd (Operations) and 10th (Shipping and Railways) sections. To conduct operations on rivers and at sea the Japanese Army produced many kinds of vessel, i.e. landing craft, motorboats, gun boats, landing ships etc. I ...
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