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Japanese Minelayer Tsugaru
was a large minelayer of the Imperial Japanese Navy that was in service during the early stages of World War II. She was named after the Tsugaru Peninsula in northwest Aomori Prefecture of Japan. She was commissioned immediately before the start of World War II, and sunk by the American submarine USS Darter in June 1944. Building Under the ''Maru-3'' Supplementary Naval Expansion Budget of 1937, a new large minelayer incorporating design improvements realized through operational experience with was funded. In addition to carrying 600 Type 6 naval mines, the new ship was equipped with an aircraft catapult, and carried a Kawanishi E7K reconnaissance seaplane. Physically very similar to ''Okinoshima'' in size, appearance and layout, its main armament was changed to four 127 mm Type 89 dual purpose guns, intended to give ''Tsugaru'' better AA capabilities than its predecessor. ''Tsugaru'' was launched by the Yokosuka Naval Arsenal on 5 June 1940, and was commissioned into ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yokosuka Naval Arsenal
was one of four principal naval shipyards owned and operated by the Imperial Japanese Navy, and was located at Yokosuka, Kanagawa prefecture on Tokyo Bay, south of Yokohama. History In 1866, the Tokugawa shogunate government established the ''Yokosuka Seisakusho'', a military arsenal and naval base, with the help of foreign engineers, including the French naval architect Léonce Verny. The new facility was intended to produce modern, western-style warships and equipment for the Tokugawa navy. The construction of the arsenal was an important first step for the modernization of Japan's industry. Modern buildings, an aqueduct, foundry, brick factories, technical schools to train Japanese technicians were established. After the Boshin War and the Meiji Restoration, the new Meiji government took over control of the facility in 1871, renaming it the ''Yokosuka Zosenjo'' (Yokosuka Shipyards). The first dry dock was opened in 1871, and is still in operation today. Japan's first d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north toward the East China Sea, Philippine Sea, and Taiwan in the south. Japan is a part of the Ring of Fire, and spans Japanese archipelago, an archipelago of List of islands of Japan, 6852 islands covering ; the five main islands are Hokkaido, Honshu (the "mainland"), Shikoku, Kyushu, and Okinawa Island, Okinawa. Tokyo is the Capital of Japan, nation's capital and largest city, followed by Yokohama, Osaka, Nagoya, Sapporo, Fukuoka, Kobe, and Kyoto. Japan is the List of countries and dependencies by population, eleventh most populous country in the world, as well as one of the List of countries and dependencies by population density, most densely populated and Urbanization by country, urbanized. About three-fourths of Geography of Japan, the c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sadamichi Kajioka
was an admiral in the Imperial Japanese Navy during World War II. He directed Japanese forces involved in the Battle of Wake Island. Biography A native of Ehime prefecture, Kajioka graduated from the 39th class of the Imperial Japanese Naval Academy in 1911. He placed 6th out of 138 cadets. He served as midshipman on the cruisers and , and after being commissioned as an ensign, on the . His training was in navigation, and after his promotion to lieutenant he served as chief navigator on the , and . Kajioka was promoted to lieutenant commander in 1924, and was assigned as chief navigator to the , and battleship . Kajioka was given his first command of a warship on December 1, 1935 when he was promoted to captain of the . He subsequently commanded ''Kasuga'' and ''Kiso''. Kajioka was promoted to rear admiral on November 15, 1940. At the start of the Pacific War, Kajioka was in command of the Wake Island invasion force, consisting of Cruiser Division 18 with the cruisers , , ; ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jaluit
Jaluit Atoll ( Marshallese: , , or , ) is a large coral atoll of 91 islands in the Pacific Ocean and forms a legislative district of the Ralik Chain of the Marshall Islands. Its total land area is , and it encloses a lagoon with an area of . Most of the land area is on the largest islet ( motu) of Jaluit (10.4 km²). Jaluit is approximately southwest of Majuro. Jaluit Atoll is a designated conservation area and Ramsar Wetland. In 2011 the population of the islands of Jaluit Atoll was 1,788. It was the former administrative seat of the Marshall Islands. History The British merchant vessel '' Rolla'' sighted Jaluit in 1803. She had transported convicts from Britain to New South Wales and was on her way to China to find a cargo to take back to Britain. In 1884, the German Empire claimed Jaluit Atoll, along with the rest of the Marshall Islands, and the Germans established a trading outpost. Jaluit became a German protectorate on September 13, 1886 and had several imperial c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Battle Of Guam (1941)
The Battle of Guam was an engagement during the Pacific War in World War II, and took place from 8 December to 10 December 1941 on Guam in the Mariana Islands between Japan and the United States. The American garrison was defeated by Japanese forces on 10 December, which resulted in an occupation until the Second Battle of Guam in 1944. Background Guam is the southernmost part of the Mariana Islands in the Pacific Ocean. It is the largest of the islands, with an area of 225 square miles. Guam's interior is rugged, with heavy tropical forests in the north of the island and wooded hills in the south. Much of the island's coastline is edged with coral reefs and cliffs, though beaches suitable for landing troops exist in the center of the west coast. Guam has a tropical climate, though December forms part of the dry season. The United States captured Guam from the Kingdom of Spain on 21 June 1898 during the Spanish–American War. The next year Spain sold the other islands in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Attack On Pearl Harbor
The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii, just before 8:00a.m. (local time) on Sunday, December 7, 1941. The United States was a neutral country at the time; the attack led to its formal entry into World War II the next day. The Japanese military leadership referred to the attack as the Hawaii Operation and Operation AI, and as Operation Z during its planning. Japan intended the attack as a preventive action. Its aim was to prevent the United States Pacific Fleet from interfering with its planned military actions in Southeast Asia against overseas territories of the United Kingdom, the Netherlands, and those of the United States. Over the course of seven hours there were coordinated Japanese attacks on the US-held Philippines, Guam, and Wake Island and on the British Empire ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saipan
Saipan ( ch, Sa’ipan, cal, Seipél, formerly in es, Saipán, and in ja, 彩帆島, Saipan-tō) is the largest island of the Northern Mariana Islands, a Commonwealth (U.S. insular area), commonwealth of the United States in the western Pacific Ocean. According to 2020 estimates by the United States Census Bureau, the population of Saipan was 43,385, a decline of 10% from its 2010 count of 48,220. The legislative and executive branches of Commonwealth government are located in the village of Capitol Hill, Saipan, Capitol Hill on the island while the judicial branch is headquartered in the village of Susupe. Since the entire island is organized as a single municipality, most publications designate Saipan as the Commonwealth's capital. As of 2015, Saipan's mayor is David M. Apatang and the governor of the Northern Mariana Islands is Ralph Torres. History Prehistory Traces of human settlements on Saipan have been found by archaeologists ranging over 4,000 years, includ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
4th Fleet (Imperial Japanese Navy)
The 4th Fleet was a fleet of the Imperial Japanese Navy. The Fourth Fleet designation was used during three separate periods. The initial designation was for a group of ships that were assigned to work together during the Russo-Japanese conflict and the period of its immediate aftermath. The second time the designation was used was during the Sino-Japanese conflict, and the third time was as a South Pacific area of command during the middle of the Pacific War. History Russo-Japanese War First established on June 14, 1905, the 4th Fleet was created after the Battle of Tsushima in the Russo-Japanese War specifically to support and cover the landings of Japanese forces in Sakhalin. Afterwards, it was sent to the United States with the Japanese delegation negotiating the Treaty of Portsmouth ending the war, and was disbanded on December 20, 1905. The Fourth Fleet incident The Fourth Fleet was temporarily resurrected during a war game exercise executed in 1935, playing the role of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shigeyoshi Inoue
was an admiral in the Imperial Japanese Navy during World War II. He was commander of the Japanese 4th Fleet and later served as Vice-Minister of the Navy. A noted naval theorist, he was a strong advocate of naval aviation within the Japanese Navy. General (Prime Minister) Abe Nobuyuki was his brother-in-law. Biography Early life Shigeyoshi Inoue was born on December 9, 1889 in Sendai, Miyagi Prefecture, the eleventh son of a vineyard owner and former samurai retainer Kanori Inoue. His name Shigeyoshi, consisting of the ''kanji'' 成 (to achieve) and 美 (beauty), was derived from a passage in ''Analects'' by Yan Hui saying "The Master said, the man of virtue seeks to achieve the beautiful qualities of men and does not seek to achieve their bad qualities. The small man does the opposite of this". Shigeyoshi, who was taught by his father to become a man like this, took great pride in this name. Early career Inoue attended the 37th class of the Imperial Japanese Naval Academy, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kiyohide Shima
was an admiral in the Imperial Japanese Navy during World War II. Biography A native of Miyazaki prefecture, Shima was a graduate of the 39th class of the Imperial Japanese Naval Academy in 1911, ranking 69th out of 148 cadets. As a midshipman, he served aboard the cruisers and and the battleship . As an ensign, he was assigned to the battleship , and as a sub-lieutenant, he served on the battlecruiser , and cruiser . Shima was promoted to lieutenant in 1918, and after taking courses in torpedo warfare and navigation, was assigned as Chief Communications Officer on the battlecruiser . In 1921, he graduated from the Naval War College and was promoted to lieutenant commander. In 1925–1926, Shima was appointed aide-de-camp to HIH Prince Takamatsu Nobuhito, concurrently serving on the battleships and . In 1928–1929, he was sent to the United States and Europe. On his return, he served in a number of staff positions, primarily as an instructor at various naval ordnance school ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anti-aircraft
Anti-aircraft warfare, counter-air or air defence forces is the battlespace response to aerial warfare, defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It includes surface based, subsurface ( submarine launched), and air-based weapon systems, associated sensor systems, command and control arrangements, and passive measures (e.g. barrage balloons). It may be used to protect naval, ground, and air forces in any location. However, for most countries, the main effort has tended to be homeland defence. NATO refers to airborne air defence as counter-air and naval air defence as anti-aircraft warfare. Missile defence is an extension of air defence, as are initiatives to adapt air defence to the task of intercepting any projectile in flight. In some countries, such as Britain and Germany during the Second World War, the Soviet Union, and modern NATO and the United States, ground-based air defence and air defence aircraft ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dual Purpose Gun
A dual-purpose gun is a naval artillery mounting designed to engage both surface and air targets. Description Second World War-era capital ships had four classes of artillery: the heavy main battery, intended to engage opposing battleships and cruisers of 305 mm to 457 mm (12 inch to 18 inch); a secondary battery for use against enemy destroyers of 152 mm to 203 mm (6 inch to 8 inch); heavy anti-aircraft guns of 76 mm to 127 mm (3 inch to 5 inch), which could create barrages to knock out airplanes at a distance; finally, light rapid-fire anti-aircraft batteries (A/A) to track and bring down aircraft at close range. The light A/A was dispersed throughout the ship and included both automatic cannons of 20 mm to 40 mm (.787 inch to 1.57 inch) and heavy machine guns of 12.7 mm to 14.5 mm (.50 inch to .58 inch). During World War II, the US Navy, Royal Navy, the French Navy, and the Imperial Japanese Navy combined the secondary battery with the heavy anti-aircraft guns, creating a d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
