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Japanese Auxiliary Submarine Chaser No.215
''Cha-215'' or ''No. 215'' (''Japanese'': 第二百十五號驅潜特務艇) was a No.1-class auxiliary submarine chaser of the Imperial Japanese Navy that served during World War II. History She was laid down on 13 January 1944 at the Tokushima shipyard of Tokushima Joint Shipbuilding Co., Ltd. (徳島合同造船株式會社) and launched later in the year. She was completed and commissioned on 15 August 1944, fitted with armaments at the Kure Naval Arsenal, and assigned to the Saiki Defense Unit, Kure Naval District. In December 1944, Captain Shunji Inuchi (井内 俊治) was appointed as commanding officer and on 10 June 1945, she was assigned to the Tokuyama Defense Force, Kure Naval District. She mostly conducted patrol and minesweeping duties in and around Saiki, Ōita and later Tokuyama. ''Cha-215'' survived the war and was decommissioned on 30 November 1945. On 1 December 1945, she was demobilized and enrolled as a minesweeper by the occupation forces. On 1 January ...
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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 ...
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Tokushima (city)
is the capital city of Tokushima Prefecture on Shikoku island in Japan. , the city had an estimated population of 249,865 in 122085 households and a population density of 1305 persons per km².The total area of the city is . Geography The city is situated in the north-eastern part of Tokushima Prefecture at the mouth of the Yoshino River. In terms of layout and organization, Tokushima displays the typical characteristics of a Japanese castle town. Most of the city is located in the Tokushima plain and is flat, but the symbol of the city, Mt. Bizan, rises in the center, creating a scenic landscape. The southern part is a mountainous area with forests. Mountains Rivers * Akui River * Imagire River * Shinmachi River * Suketō River * Yoshino River Neighbouring municipalities Tokushima Prefecture * Komatsushima * Katsuura * Matsushige * Kitajima * Aizumi * Ishii * Kamiyama * Sanagōchi Demographics Per Japanese census data, the population of Tokushima has been grow ...
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Saiki, Ōita
is a city located in Ōita Prefecture, Japan. The city was founded on April 29, 1941. On March 3, 2005, Saiki merged with the towns of Kamae, Kamiura, Tsurumi, Ume and Yayoi, and the villages Honjō, Naokawa and Yonōzu (all from Minamiamabe District) to create the new and expanded Saiki City. Minamiamabe District was dissolved as a result of this merger. As of March 2017, the new city has an estimated population of 73,546 (former city, 2003: 49,183) and a population density of 81 persons per km2. The total area is 903.44 km2, making it the largest city by area in Kyushu. Geography Climate Saiki has a humid subtropical climate (Köppen climate classification ''Cfa'') with hot summers and cool winters. Precipitation is significant throughout the year, but is somewhat lower in winter. The average annual temperature in Saiki is . The average annual rainfall is with September as the wettest month. The temperatures are highest on average in August, at around , and l ...
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Tokuyama, Yamaguchi
was a city located in Yamaguchi Prefecture, Japan. On April 21, 2003, Tokuyama, along with the city of Shinnan'yō, the town of Kumage (from Kumage District), and the town of Kano (from Tsuno District), was merged to create the city of Shūnan. The city had a population of about 150,000 people. Its location along the Sanyō Shinkansen made for easy access to nearby cities such as Hiroshima and Fukuoka. Hikari holds a sizable beach. Education The city previously had a North Korean school, Tokuyama Korean Elementary and Junior High School ( 徳山朝鮮初中級学校).各級学校
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Chongryon The General Association of Korean Residents in Japan,
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Japan Maritime Safety Agency
The is the coast guard of Japan. The Japan Coast Guard consists of about 13,700 personnel and is responsible for the protection of the coastline of Japan under the oversight of the Ministry of Land, Infrastructure, Transport and Tourism. The Japan Coast Guard was founded in 1948 as the Maritime Safety Agency and received its current English name in 2000. The motto of the Japan Coast Guard is . History In the Empire of Japan, coast guard operations were mandated for the Imperial Japanese Navy. But the Navy was dissolved with the surrender of Japan in August 1945, and the ability of maintaining maritime order was declined seriously. Dense trade and smuggling had increased dramatically, even pirates had come to appear. Consultation between the Japanese government who wanted to restore public security capacity as soon as possible and the Allied countries wanting to maintain disarmament of Japan faced difficulties, but in 1946, an "Illegal Immigration Control Headquarters" ...
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Ensign Of The Japanese Coast Guard
An ensign is the national flag flown on a vessel to indicate nationality. The ensign is the largest flag, generally flown at the stern (rear) of the ship while in port. The naval ensign (also known as war ensign), used on warships, may be different from the civil ensign (merchant ships) or the yacht ensign (recreational boats). Large versions of naval ensigns called battle ensigns are used when a warship goes into battle. The ensign differs from the jack, which is flown from a jackstaff at the bow of a vessel. In its widest sense, an ensign is just a flag or other standard. The European military rank of ensign, once responsible for bearing a unit's standard (whether national or regimental), derives from it (in the cavalry, the equivalent rank was cornet, named after a type of flag). Ensigns, such as the ancient Roman ensigns in the Arch of Constantine, are not always flags. National ensigns In nautical use, the ensign is flown on a ship or boat to indicate its organizat ...
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Japan Maritime Self-Defense Force
, abbreviated , also simply known as the Japanese Navy, is the maritime warfare branch of the Japan Self-Defense Forces, tasked with the naval defense of Japan. The JMSDF was formed following the dissolution of the Imperial Japanese Navy (IJN) after World War II. The JMSDF has a fleet of 154 ships, 346 aircraft and 50,800 personnel. History Origin Following Japan's defeat in World War II, the Imperial Japanese Navy was dissolved by the Potsdam Declaration acceptance. Ships were disarmed, and some of them, such as the battleship , were taken by the Allied Powers as reparation. The remaining ships were used for repatriation of the Japanese soldiers from abroad and also for minesweeping in the area around Japan, initially under the control of the ''Second Bureau of the Demobilization Ministry''. The minesweeping fleet was eventually transferred to the newly formed Maritime Safety Agency, which helped maintain the resources and expertise of the navy. Japan's 1947 Constitution ...
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Naval Ensign Of Japan
The national flag of Japan is a rectangular white banner bearing a crimson-red circle at its center. This flag is officially called the , but is more commonly known in Japan as the . It embodies the country's sobriquet: the Land of the Rising Sun. The ''Nisshoki'' flag is designated as the national flag in the Act on National Flag and Anthem, which was promulgated and became effective on 13 August 1999. Although no earlier legislation had specified a national flag, the sun-disc flag had already become the ''de facto'' national flag of Japan. Two proclamations issued in 1870 by the Daijō-kan, the governmental body of the early Meiji period, each had a provision for a design of the national flag. A sun-disc flag was adopted as the national flag for merchant ships under Proclamation No. 57 of Meiji 3 (issued on 27 February 1870), and as the national flag used by the Navy under Proclamation No. 651 of Meiji 3 (issued on 27 October 1870). Use of the ''Hinomaru'' was severely restric ...
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Submarine Chaser
A submarine chaser or subchaser is a small naval vessel that is specifically intended for anti-submarine warfare. Many of the American submarine chasers used in World War I found their way to Allied nations by way of Lend-Lease in World War II. Submarine chaser variants U.S. Navy submarine chasers were designed specifically to destroy German submarines in World War I, and Japanese and German submarines in World War II. The small SC-1-class submarine chasers of the design used in World War I carried the hull designator SC (for Submarine Chaser). Their main weapon was the depth charge. They also carried machine guns and anti-aircraft guns. The similar-sized SC-497-class was built for World War II. Also in World War II, larger PC-461-class submarine chasers used the PC hull classification symbol (for Patrol, Coastal).Gardiner and Chesneau, pp. 71, 152-154 Class relationships: * 438 (98t, wooden hull) * 343 (450t, steel hull) * 68 (850t, steel hull) ** used in sim ...
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Depth Charge
A depth charge is an anti-submarine warfare (ASW) weapon. It is intended to destroy a submarine by being dropped into the water nearby and detonating, subjecting the target to a powerful and destructive hydraulic shock. Most depth charges use high explosive charges and a fuze set to detonate the charge, typically at a specific depth. Depth charges can be dropped by ships, patrol aircraft, and helicopters. Depth charges were developed during World War I, and were one of the first viable methods of attacking a submarine underwater. They were widely used in World War I and World War II, and remained part of the anti-submarine arsenals of many navies during the Cold War, during which they were supplemented, and later largely replaced, by anti-submarine homing torpedoes. A depth charge fitted with a nuclear warhead is also known as a " nuclear depth bomb". These were designed to be dropped from a patrol plane or deployed by an anti-submarine missile from a surface ship, or a ...
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World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great powers—forming two opposing military alliances: the Allies of World War II, Allies and the Axis powers. World War II was a total war that directly involved more than 100 million Military personnel, personnel from more than 30 countries. The major participants in the war threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. Air warfare of World War II, Aircraft played a major role in the conflict, enabling the strategic bombing of population centres and deploying the Atomic bombings of Hiroshima and Nagasaki, only two nuclear weapons ever used in war. World War II was by far the List of wars by death toll, deadliest conflict in hu ...
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Kure Naval Arsenal
was one of four principal naval shipyards owned and operated by the Imperial Japanese Navy. History The Kure Naval District was established at Kure, Hiroshima in 1889, as the second of the naval districts responsible for the defense of the Japanese home islands. Along with the establishment of the navy base, a ship repair facility was also constructed, initially by moving the equipment from the Onohama shipyards near Kobe. Construction was supervised by the French engineer Louis-Émile Bertin. The first warship constructed at Kure, '' Miyako'', was launched in 1897. The "Kure Shipyards" were officially renamed the "Kure Naval Arsenal" in 1903. Kure developed into one of the largest shipbuilding facilities in the Empire of Japan, capable of working with the largest vessels. The Arsenal included a major steel works (built with British assistance), and also facilities for producing naval artillery and projectiles. The battleships '' Yamato'' and '' Nagato'' were designed ...
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