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Midget Submarine
A midget submarine (also called a mini submarine) is any submarine under 150 tons, typically operated by a crew of one or two but sometimes up to six or nine, with little or no on-board living accommodation. They normally work with mother ships, from which they are launched and recovered and which provide living accommodation for the crew and support staff. Both military and civilian midget submarines have been built. Military types work with surface ships and other submarines as mother ships. Civilian and non-combatant military types are generally called submersibles and normally work with surface ships. Most early submarines would now be considered midget submarines, such as the United States Navy's and the British Royal Navy's (both named for the same designer). Military submarines Uses Midget submarines are best known for harbor penetration, although only two World War II boats, the British X-craft and the unsuccessful Welman submarine, were specifically designed with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Delphin
''Delphin'' (dolphin) was a midget submarine created during World War II. Designed in 1944, only three prototypes were created by Nazi Germany's Kriegsmarine by the end of the war, all of which were destroyed. The ''Delphin'' was built for underwater speed attacks, as German engineers under the leadership of Ulrich Gabler discovered that past midget submarines were too slow to match the speeds of large ships in the English Channel. ''Delphin'' weighed and was easily recognizable due to its tear-drop shape, which allowed the vessel to travel through the water at higher speeds. During trials, the submarine reached a speed of seventeen knots while submerged. On 19 January 1945, the first prototype was destroyed after a collision with a boat and resulted in further testing being abandoned. Two other prototypes under construction in Berlin were moved to Pötenitz near Trave The Trave () is a river in Schleswig-Holstein, Germany. It is approximately long, running from its sour ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kure Midget Subs1
is a port and major shipbuilding city situated on the Seto Inland Sea in Hiroshima Prefecture, Japan. With a strong industrial and naval heritage, Kure hosts the second-oldest naval dockyard in Japan and remains an important base for the Japan Maritime Self-Defence Force (JMSDF) named, JMSDF Kure Naval Base. , the city has an estimated population of 228,030 and a population density of 646 persons per km2. The total area is 352.80 km2. History The Kure Naval District was first established in 1889, leading to the construction of the Kure Naval Arsenal and the rapid growth of steel production and shipbuilding in the city. Kure was formally incorporated on October 1, 1902. From 1889 until the end of World War II, the city served as the headquarters of the Kure Naval District. Kure dockyards recorded a number of significant engineering firsts including the launching of the first major domestically built capital ship, the battlecruiser ''Tsukuba'' (1905) and the launching o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nautile
''Nautile'' is a crewed submersible owned by Ifremer, the French Research Institute for Exploitation of the Sea. Commissioned in 1984, the submersible can be operated at depths of up to . ''Nautile'' is capable of housing three people. It has a length of 8 m, still imaging cameras, two colour video cameras, and a number of flood lights. It is fitted with two robotic arms to allow remote manipulation. ''Nautile'' can stay under water for up to eight hours at a time. Two ships can act as mothership to ''Nautile'': ''Pourquoi Pas?'' and ''Atalante''. In its early days ''Nautile'' was launched from RV ''Nadir''. The vessel has been used to examine the wreck of the RMS ''Titanic'' and to search for the black boxes from Air France Flight 447 See also References External links * Nautile— specification from Ifremer website Nautile: miniature submarine— BBC news article Submarine to examine sunken oil tanker— New Scientist article Le Nautile— techni ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MARCOS
Marcos may refer to: People with the given name ''Marcos'' *Marcos (given name) Sports ;Surnamed * Dayton Marcos, Negro league baseball team from Dayton, Ohio (early twentieth-century) * Dimitris Markos, Greek footballer * Nélson Marcos, Portuguese footballer * Randa Markos, Iraqi-Canadian female mixed martial artist ;Nicknamed * Marcos Joaquim dos Santos (born 1975), Brazilian footballer known as ''Marcos'' * Marcos de Paula (born 1983), Brazilian footballer known as ''Marcos'' playing for ''A.C. ChievoVerona'' * Marcos Alonso Peña (born 1959), Spanish footballer known as ''Marcos'' ;Named * Marcos Ambrose, Australian racing driver currently competing in ''NASCAR'' * Marcos Baghdatis, Cypriot tennis player * Marcos Hernández (swimmer), Cuban freestyle swimmer * Marcos Pizzelli, Brazilian-Armenian footballer * Marcos (footballer, born 1973), Brazilian football goalkeeper * Marcos García Barreno, Spanish footballer * Marcos Mazzaron, Brazilian cyclist * Marcos Carneiro d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indian Navy Swimmer Delivery Vehicle
Indian or Indians may refer to: Peoples South Asia * Indian people, people of Indian nationality, or people who have an Indian ancestor ** Non-resident Indian, a citizen of India who has temporarily emigrated to another country * South Asian ethnic groups, referring to people of the Indian subcontinent, as well as the greater South Asia region prior to the 1947 partition of India * Anglo-Indians, people with mixed Indian and British ancestry, or people of British descent born or living in the Indian subcontinent * East Indians, a Christian community in India Europe * British Indians, British people of Indian origin The Americas * Indo-Canadians, Canadian people of Indian origin * Indian Americans, American people of Indian origin * Indigenous peoples of the Americas, the pre-Columbian inhabitants of the Americas and their descendants ** Plains Indians, the common name for the Native Americans who lived on the Great Plains of North America ** Native Americans in the Uni ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crore
A crore (; abbreviated cr) denotes ten million (10,000,000 or 107 in scientific notation) and is equal to 100 lakh in the Indian numbering system. It is written as 1,00,00,000 with the local 2,2,3 style of digit group separators (one lakh is equal to one hundred thousand, and is written as 1,00,000). It is widely used both in official and other contexts in Afghanistan, Bangladesh, Bhutan, India, Myanmar, Nepal, Pakistan, and Sri Lanka. It is often used in Bangladeshi, Indian, Pakistani, and Sri Lankan English. Money Large amounts of money in Bangladesh, India, Nepal, and Pakistan are often written in terms of ''Koti'' or ''crore''. For example (one hundred and fifty million) is written as "fifteen ''crore'' rupees", "15 crore" or "". In the abbreviated form, usage such as "15 cr" (for "15 ''crore'' rupees") is common. Trillions (in the short scale) of money are often written or spoken of in terms of ''lakh crore''. For example, ''one trillion rupees'' is equivalent to: * '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indian Navy
The Indian Navy is the maritime branch of the Indian Armed Forces. The President of India is the Supreme Commander of the Indian Navy. The Chief of Naval Staff, a four-star admiral, commands the navy. As a blue-water navy, it operates significantly in the Persian Gulf Region, the Horn of Africa, the Strait of Malacca, and routinely conducts anti-piracy operations and partners with other navies in the region. It also conducts routine two to three month-long deployments in the South and East China seas as well as the western Mediterranean sea simultaneously. The primary objective of the navy is to safeguard the nation's maritime borders, and in conjunction with other Armed Forces of the union, act to deter or defeat any threats or aggression against the territory, people or maritime interests of India, both in war and peace. Through joint exercises, goodwill visits and humanitarian missions, including disaster relief, the Indian Navy promotes bilateral relations between ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neger
The ''Neger'' (German for ''Negro'') was a torpedo-carrying craft generally described as a human torpedo which could not submerge, but was difficult to see during night operations. The vessel was used by Nazi Germany's '' Kriegsmarine'' between 1943 and 1945. The name comes from its constructor, Richard Mohr, whose surname in German also stands for Negro in the racial sense. Design The Neger was based on the G7e torpedo and sported a spartan cockpit covered by a perspex dome, where the warhead would have been. It had sufficient positive buoyancy to run awash while supporting a second G7e, with warhead, slung below. The vessel had a range of 48 nautical miles at 4 knots and displaced 2.7 tons. The pilot navigated via a wrist compass and air was provided through a Dräger self-contained breathing device. The pilot aimed his weapon by lining up an aiming spike on the nose with a graduated scale on the dome. Subsequently, a second aiming spike was added closer to the dome. It, ho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Schwertwal
''Schwertwal'' (German for Orca, lit. "Sword Whale") was a German miniature submarine design that reached the trial stage in late April 1945. It had a crew of two and was designed to have a high subsurface speed of around 20 knots. The high speed was archived by the use of a Walther turbine. The submarine carried an armament of two torpedoes. The submarine lacked a periscope and the pilot viewed the outside world through an acrylic glass dome. The prototype was scuttled at the end of World War II but was raised by the British Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against Fr ... and examined before being scrapped. Further developments Design work for an even faster version began but the plans never left the drawing board.Kemp, p. 192 Notes References * * External links P ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Molch
''Molch'' (German language: "newt" or "salamander") was an unsuccessful series of one-man midget submarines created during World War II. Built in 1944, it was the first mini-submarine of Nazi Germany's ''Kriegsmarine'', but was not successful in combat operations and suffered heavy losses. Description The Molch was based on torpedo technology, and carried two G7e torpedoes attached externally on either side of the craft. It was fully electrical and was created for coastal operations, with a range of at . The front section of the boat held a large battery. Behind the battery was the operator's position, which sat between two small trimming tanks. Behind the operator sat the electric motor. The complicated system of tanks made it difficult to control during combat operations. The first of 393 boats were delivered on June 12 1944 and were built by AG Weser in Bremen. Operational history The Molch were first used in the Mediterranean against the Allied "Operation Dragoon" ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marder (midget Submarine)
''Marder'' (Pine Marten) was a German midget submarine developed from the ''Neger''. The craft was long and unlike the ''Neger'' included a flooding tank in the nose allowing it to dive. Another improvement was the dome through which the pilot viewed the outside world that also served as the craft's entrance and exit was made openable from the inside. Maximum diving depth was about . The submarine's first operations took place on the night of 2 August 1944, when Nazi Germany's ''Kriegsmarines '' Small Battle Units'' made their largest effort of the war. 58 human torpedoesBrown p. 116 of the ''Neger''-type and 22 ''Linse'' vessels were launched against Allied shipping off Normandy as part of a combined operation with ''Neger''s and explosive ''Linse'' boats. One Royal Navy destroyer escort, was sunk by a human torpedo along with one minesweeper, , and one landing craft Landing craft are small and medium seagoing watercraft, such as boats and barges, used to convey a landing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hecht (submarine)
''Hecht'' (German: " Pike"), also known as Type XXVIIA, was a two-man all-electric German midget submarine created during World War II. History The origin of the ''Hecht'' began with the salvage of the two British X class submarines and which had been sunk during Operation Source, an attempt to sink the German battleship Tirpitz. ''Hauptamt Kriegschiffbau'' subsequently produced a design for a two-man submarine based on inspection of the British boats, designated Type XXVIIA and named ''Hecht'' ("Pike") Like the British X class boats, the Type XXVIIA was designed to carry explosive charges to be laid beneath enemy ships, but it was markedly smaller and had substantial differences from the X class. It dispensed with a dual diesel/electric propulsion system, relying instead solely on electrical power in the form of a 12 hp AEG torpedo motor, on the basis that since it would operate submerged there was no need for a diesel engine. However, this resulted in a very low enduran ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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