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112-460: Sea Cloud was built in Kiel, Germany , as a barque for Marjorie Merriweather Post and her second husband Edward F. Hutton of Wall Street's E. F. Hutton & Co. The yacht interiors and features were personally designed by Post, who took a course in marine engineering, and had full size interior mocks-ups done in a New York warehouse. She was launched in 1931 as Hussar V as a replacement for

224-420: A cruise missile ); and covert insertion of frogmen or special forces . Their civilian uses include: marine science ; salvage ; exploration; and facility inspection and maintenance. Submarines can be modified for specialized functions such as search-and-rescue missions and undersea cable repair. They are also used in the tourism industry and in undersea archaeology . Modern deep-diving submarines derive from

336-477: A fully-integrated crew . Within a few months, 50 black sailors, including two officers, were stationed aboard Sea Cloud . Skinner requested for the experiment not to be publicized and for the ship not to be treated differently from other ships in the task force. Skinner showed that his integrated crew could work just as efficiently as a segregated crew, if not more so, after his crew had passed two fleet inspections with no deficiencies. Under Skinner's command when

448-537: A slave labour camp for the local industry. Owing to its status as a naval port and production site for submarines, Kiel was heavily bombed by the Allies during this period. The bombing destroyed more than 80% of the remaining old town, 72% of the central residential areas, and 83% of the industrial areas. During the RAF bombing of 23/24 July 1944, Luftwaffe fighters tried to intercept the spoof (i.e. decoy) force instead of

560-748: A Coast Guard crew. She was assigned to Task Force 24. Relieving USCGC  Conifer in February 1944, Sea Cloud patrolled a 100-square-mile (260 km) area near the New England coast, generating weather reports for the First Naval District . On February 27, 1944, Sea Cloud traveled to be refurbished at Atlantic Yard in East Boston , afterwards taking over a new one-hundred square mile area at Weather Station Number One. On April 5, 1944, Sea Cloud received radar indication of

672-627: A big problems with unemployed people at that time. Kiel is now a city with universities and active marine stations which attracts many young students and marines to Kiel. The current governing faction in the city council is formed by the Greens and the SPD, who have a current cooperation agreement from 2023 to 2028. The current mayor of Kiel is Ulf Kämpfer of the Social Democratic Party (SPD). Kämpfer has stated that he will not run for

784-407: A carrying capacity of 50 to 100 passengers. In a typical operation a surface vessel carries passengers to an offshore operating area and loads them into the submarine. The submarine then visits underwater points of interest such as natural or artificial reef structures. To surface safely without danger of collision the location of the submarine is marked with an air release and movement to the surface

896-511: A confrontation in Panama . After the ship stayed in port for eight years, Hartmut Paschburg and a group of Hamburg associates purchased her, once again naming her Sea Cloud . Paschburg and thirty-eight other men sailed the ship to Europe, arriving in the Port of Hamburg on November 15, 1978. Sea Cloud spent eight months undergoing repairs in the now-named Howaldtswerke-Deutsche Werft shipyard,

1008-658: A cruise ship. Kiel, Germany Kiel ( / k iː l / KEEL , German: [kiːl] ) is the capital and most populous city in the northern German state of Schleswig-Holstein . With a population of around 250,000, it is Germany's largest city on the Baltic Sea . It is located on the Kieler Förde inlet of the Bay of Kiel and lies in the southeast of the Jutland Peninsula, on

1120-475: A hand-powered acorn-shaped device designed by the American David Bushnell to accommodate a single person. It was the first verified submarine capable of independent underwater operation and movement, and the first to use screws for propulsion. In 1800, France built Nautilus , a human-powered submarine designed by American Robert Fulton . They gave up on the experiment in 1804, as did

1232-698: A humanistic gymnasium, is the oldest. Other secondary schools include the Gymnasium Elmschenhagen and the Max-Planck-Schule with a focus on natural sciences. There are many comprehensive schools – partially with secondary schools – all over the city area, as well as private schools. BZ am NOK (Berufsbildungszentrum am Nord-Ostsee-Kanal)is a vocational training center provides education and training in over 40 professions. It includes dual training programs, vocational schools, technical colleges, and vocational grammar schools. Kiel's economy

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1344-636: A noun it generally refers to a vessel that can travel underwater. The term is a contraction of submarine boat . and occurs as such in several languages, e.g. French ( sous-marin ), and Spanish ( submarino ), although others retain the original term, such as Dutch ( Onderzeeboot ), German ( Unterseeboot ), Swedish ( Undervattensbåt ), and Russian ( подводная лодка : podvodnaya lodka ), all of which mean 'submarine boat'. By naval tradition , submarines are usually referred to as boats rather than as ships , regardless of their size. Although referred to informally as boats , U.S. submarines employ

1456-589: A part of Holstein, Kiel belonged to the Holy Roman Empire and was situated only a few kilometres south of the Danish border. The capital of the county (later duchy) of Holstein , Kiel was a member of the Hanseatic League from 1284 until it was expelled in 1518 for harbouring pirates . The Kieler Umschlag ( trade fair ), first held in 1431, became the central market for goods and money in

1568-507: A pivotal time in submarine development, and several important technologies appeared. A number of nations built and used submarines. Diesel electric propulsion became the dominant power system and equipment such as the periscope became standardized. Countries conducted many experiments on effective tactics and weapons for submarines, which led to their large impact in World War I . The first submarine not relying on human power for propulsion

1680-492: A sculpture by Ernst Barlach in front of it called Geistkämpfer . Kiel is Schleswig-Holstein 's largest city, and therefore Kiel's shopping district is a major attraction, and will see further improvement and renovation efforts in the upcoming years. Kiel's Holstenstraße (Holsten Street) is one of the longest shopping streets in Germany. The Rathaus (Town Hall), which was built in 1911, has an operating paternoster lift and

1792-847: A single torpedo , in 1885. A reliable means of propulsion for the submerged vessel was only made possible in the 1880s with the advent of the necessary electric battery technology. The first electrically powered boats were built by Isaac Peral y Caballero in Spain (who built Peral ), Dupuy de Lôme (who built Gymnote ) and Gustave Zédé (who built Sirène ) in France, and James Franklin Waddington (who built Porpoise ) in England. Peral's design featured torpedoes and other systems that later became standard in submarines. Commissioned in June 1900,

1904-482: A small target at position 39°27′N 62°30′W  /  39.450°N 62.500°W  / 39.450; -62.500 , bearing 350° at 3,000 yards (2,700 m). General quarters were sounded and battle stations manned, but contact was lost ten minutes later. The target was identified as a submarine , but after Sea Cloud carried out standard anti-submarine drills with no evidence of damage being inflicted, she returned to port. After minor repairs, Sea Cloud

2016-531: A spar as a torpedo charge. The Hunley also sank. The explosion's shock waves may have killed its crew instantly, preventing them from pumping the bilge or propelling the submarine. In 1866, Sub Marine Explorer was the first submarine to successfully dive, cruise underwater, and resurface under the crew's control. The design by German American Julius H. Kroehl (in German, Kröhl ) incorporated elements that are still used in modern submarines. In 1866, Flach

2128-447: A submarine lies in its ability to remain concealed in the depths of the ocean. Early submarines could be detected by the sound they made. Water is an excellent conductor of sound (much better than air), and submarines can detect and track comparatively noisy surface ships from long distances. Modern submarines are built with an emphasis on stealth . Advanced propeller designs, extensive sound-reducing insulation, and special machinery help

2240-422: A submarine remain as quiet as ambient ocean noise, making them difficult to detect. It takes specialized technology to find and attack modern submarines. Active sonar uses the reflection of sound emitted from the search equipment to detect submarines. It has been used since WWII by surface ships, submarines and aircraft (via dropped buoys and helicopter "dipping" arrays), but it reveals the emitter's position, and

2352-580: A subsidiary of ThyssenKrupp Marine Systems , the leading German group of shipyards. In 2005, the GDP per person was €35,618, which is well above the national average of Germany and 159% of the European Union average. Some of the most notable companies having branches or their headquarters in Kiel are: Ferry operators Military contractors Engineering and industrial machinery Others Kiel

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2464-550: A successful firing solution against a three-dimensionally maneuvering target using techniques which became the basis of modern torpedo computer targeting systems. Seventy-four British submarines were lost, the majority, forty-two, in the Mediterranean. The first launch of a cruise missile ( SSM-N-8 Regulus ) from a submarine occurred in July 1953, from the deck of USS  Tunny , a World War II fleet boat modified to carry

2576-571: A temperature above 30 °C (86 °F) are rare, with an average of only 2.8 days per year. The Kiel weather station has recorded the following extreme values: Kiel has about 40 districts, but there is no standard division. The districts are traditionally grouped into 30 boroughs (Stadtteile) [1] . Another, more recent structure summarizes the districts in 18 political districts (Ortsteile) [2] . The city has 25 electoral districts. The biggest districts, by population, are Wik (20,100), Gaarden-Ost (19,200) and Mettenhof (19,900). Gaarden, located at

2688-691: A test dive while at its operational limit, and USS  Scorpion due to unknown causes. During the Indo-Pakistani War of 1971 , the Pakistan Navy 's Hangor sank the Indian frigate INS  Khukri . This was the first sinking by a submarine since World War II. During the same war, Ghazi , a Tench -class submarine on loan to Pakistan from the US, was sunk by the Indian Navy . It

2800-538: A third five year term. His current term ends in 2026. The results of the 29 October 2019 election were as follows.: The Kiel city council governs the city alongside the Mayor. The results of the city council election on 6 May 2018 were as follows: There are a number of sports venues in Kiel, most notably the Wunderino Arena (formerly known as Baltic Sea Hall or Ostseehalle ), which is the home ground of one of

2912-535: A total of 74 submarines, though of mixed effectiveness. In August 1914, a flotilla of ten U-boats sailed from their base in Heligoland to attack Royal Navy warships in the North Sea in the first submarine war patrol in history. The U-boats' ability to function as practical war machines relied on new tactics, their numbers, and submarine technologies such as combination diesel–electric power system developed in

3024-672: A total route length of 40 km (25 mi), before the end of the First World War . Kiel was the site of the sailors' mutiny which led to the German Revolution in late 1918. Just before the end of the First World War, the German fleet stationed at Kiel was ordered to sail out for a last great battle with the Royal Navy . The sailors, who thought of it as a suicide mission which would have no effect on

3136-567: A wide range of types and capabilities. They range from small, autonomous examples, such as one- or two-person subs that operate for a few hours, to vessels that can remain submerged for six months, such as the Russian Typhoon class , (the biggest submarines ever built). Submarines can work at depths that are greater than what is practicable (or even survivable) for human divers . The word submarine means 'underwater' or 'under-sea' (as in submarine canyon , submarine pipeline ) though as

3248-530: Is also home to several insurances and banks, most notably the HSH Nordbank , Provinzial NordWest , Förde Sparkasse , Kieler Volksbank eG and Evangelischen Bank eG . There is also an active startup scene in Kiel with startup accelerator StarterKitchen and startups like SciEngines GmbH , Real-Eyes, myBoo, SealMedia, Cliplister, Druckpreis.DE, promotionbasis.de, Yoosello, GetAnEdge, Flowy Apps, fraguru, lokalportal, PianoMotion and ubique art. Kiel

3360-910: Is also sometimes used historically or informally to refer to remotely operated vehicles and robots , or to medium-sized or smaller vessels (such as the midget submarine and the wet sub ). Submarines are referred to as boats rather than ships regardless of their size. Although experimental submarines had been built earlier, submarine design took off during the 19th century, and submarines were adopted by several navies. They were first used widely during World War I (1914–1918), and are now used in many navies , large and small. Their military uses include: attacking enemy surface ships (merchant and military) or other submarines; aircraft carrier protection; blockade running ; nuclear deterrence ; stealth operations in denied areas when gathering intelligence and doing reconnaissance ; denying or influencing enemy movements; conventional land attacks (for example, launching

3472-462: Is dominated by the service sector, transport and maritime industries. Kiel is also one of the major ports of the German Navy , and a leading centre of German high-tech military and civil shipbuilding. Kiel is the home of Howaldtswerke-Deutsche Werft , a shipyard founded in 1838 famed for its construction of submarines . HDW built the first German submarine Brandtaucher in 1850, and is today

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3584-917: Is home to several media companies, including a branch of the Norddeutscher Rundfunk producing one radio channel and several local programmes in Kiel, a station of the British Forces Broadcasting Service , the daily newspaper Kieler Nachrichten and several smaller local radio channels and magazines. Kiel is situated near an important pan-European motorway, the A7 , which connects northern Europe with central and southern Europe. The central railway station, Kiel Hauptbahnhof , has hourly trains to Hamburg , Lübeck , Flensburg , and Husum . The Intercity Express (ICE) connects Kiel with Berlin , Frankfurt , Cologne and Munich . There are 8 regional railway stations within

3696-530: Is home to the GEOMAR – Helmholtz Centre for Ocean Research Kiel . Kiel is an important sea transport hub, with passenger ferries to Sweden , Norway , Lithuania and other countries. Moreover, today the Port of Kiel is a popular destination for cruise ships touring the Baltic Sea. Kiel's recorded history began in the 13th century. Before then, in the eighth century, it was a Danish village. Until 1864 it

3808-519: Is situated near the sea, the beaches to the north of Kiel, such as Strande , Kiel- Schilksee , Möltenort and Laboe , are also popular places to visit in spring and summer. Kiel Week , also known in English as the Kiel Regatta, is the largest sailing event in the world and takes place every year in the last full week in June. Many thousands of boats and ships of all kinds and eras take part in

3920-528: Is susceptible to counter-measures. A concealed military submarine is a real threat, and because of its stealth, can force an enemy navy to waste resources searching large areas of ocean and protecting ships against attack. This advantage was vividly demonstrated in the 1982 Falklands War when the British nuclear-powered submarine HMS  Conqueror sank the Argentine cruiser General Belgrano . After

4032-637: Is the federal institute for dairy research which was merged into the Max-Rubner-Institut together with other institutions in 2004. The state capital Kiel is a corporative sponsoring member of the Max Planck Society . The ARGE-SH , the oldest research institution of the republic of Germany, has its headquarters in Kiel. There are twelve gymnasiums in Kiel, of which the Kieler Gelehrtenschule, founded in 1320 as

4144-647: The Hussar IV. At the time of her construction, she was the largest private yacht in the world. The maiden voyage was in November 1931, from the shipyard in Germany to Bermuda , where the ship was received by Hutton and Post on November 30, 1931. In 1935, the United States Ambassador to the Soviet Union , Joseph E. Davies , married Marjorie Merriweather Post. Mr. and Mrs. Davies renamed

4256-475: The Gato , Balao , and Tench classes were commissioned during the war. During the war, 52 US submarines were lost to all causes, with 48 directly due to hostilities. US submarines sank 1,560 enemy vessels, a total tonnage of 5.3 million tons (55% of the total sunk). The Royal Navy Submarine Service was used primarily in the classic Axis blockade . Its major operating areas were around Norway, in

4368-619: The Canary Islands aboard Angelita , but were forced back by the Dominican Republic's new government. Five years after Trujillo's death, the ship, now named Patria , was sold to Operation Sea Cruises, Inc. in 1966. Company president John Blue registered her in Panama and sent her to Naples , Italy , to recondition and outfit her for charters. Sold to Antarna Inc., Miami, in 1969 the ship was renamed Antarna . Blue brought

4480-657: The Fachhochschule Kiel (founded in 1969) and the Muthesius School of Arts (founded in 1907). The projects Murmann School of Global Management and Economics and Multimedia Campus Kiel were ultimately unsuccessful. The Wirtschaftsakademie Schleswig-Holstein offers besides advanced training at the Berufsakademie dual study courses for economists, business information specialists and industrial engineers. Noteworthy as departmental research institute

4592-532: The German Revolution , which led to the abdication of the Kaiser and the formation of the Weimar Republic . The Olympic sailing competitions of the 1936 and the 1972 Summer Olympics were held in the Bay of Kiel . Kiel has also been one of the traditional homes of the German Navy 's Baltic fleet, and continues to be a major high-tech shipbuilding centre. The University of Kiel , founded in 1665,

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4704-519: The Holland Torpedo Boat Company from 1901 to 1903. Construction of the boats took longer than anticipated, with the first only ready for a diving trial at sea on 6 April 1902. Although the design had been purchased entirely from the US company, the actual design used was an untested improvement to the original Holland design using a new 180 horsepower (130 kW) petrol engine. These types of submarines were first used during

4816-583: The Kiel Canal are historically part of Southern Schleswig . Kiel is one of Germany's major maritime centres, known for a variety of international sailing events, including the annual Kiel Week , which is the biggest sailing event in the world. Kiel is also known for the Kiel Mutiny , when sailors refused orders to prepare to engage the British Navy in the last weeks of World War I , sparking

4928-655: The Mediterranean (against the Axis supply routes to North Africa), and in the Far East. In that war, British submarines sank 2 million tons of enemy shipping and 57 major warships, the latter including 35 submarines. Among these is the only documented instance of a submarine sinking another submarine while both were submerged. This occurred when HMS  Venturer engaged U-864 ; the Venturer crew manually computed

5040-538: The Russo-Japanese War of 1904–05. Due to the blockade at Port Arthur , the Russians sent their submarines to Vladivostok , where by 1 January 1905 there were seven boats, enough to create the world's first "operational submarine fleet". The new submarine fleet began patrols on 14 February, usually lasting for about 24 hours each. The first confrontation with Japanese warships occurred on 29 April 1905 when

5152-611: The Second World War submarine U-995 , which are both popular tourist sites. Kiel has a population of 247,000. In 1946, when Kiel became the capital of Schleswig-Holstein , its population was about 214,000. Kiel is Germany's largest coastal city and its only state capital located on the sea. In the 1950s Kiel, with its marine port, attracted members of the navy. Kiel had its highest peak of population in 1973 at 273,000. The population declined since then. Many people moved away from this city and Kiel became very poor and had

5264-483: The University of Kiel , which is the oldest, largest, and most prestigious university in the state. Kiel has an oceanic climate ( Köppen : Cfb ; Trewartha : Dolk ). Located on the Baltic Sea coast, the temperature fluctuates less than inland, with warm winters and cool summers throughout the year. The average temperature ranges from 2 °C (36 °F) in winter to 17 °C (63 °F) in summer. Days with

5376-521: The bathyscaphe , which evolved from the diving bell . Most large submarines consist of a cylindrical body with hemispherical (or conical) ends and a vertical structure, usually located amidships, which houses communications and sensing devices as well as periscopes . In modern submarines, this structure is called the " sail " in American usage and "fin" in European usage. A feature of earlier designs

5488-548: The schooner Maria da Gloria . On August 3, 1942 and August 4, 1942, Sea Cloud served at Weather Patrol Station Number One while USS  Manhasset was converted to a weather ship. In 1943, the Navy asked for control of Sea Cloud and Nourmahal , another former yacht converted into a weather ship. On April 9, 1943, the United States Navy commissioned Sea Cloud as USS Sea Cloud (IX-99), though she maintained

5600-603: The British, when they reconsidered Fulton's submarine design. In 1850, Wilhelm Bauer 's Brandtaucher was built in Germany. It remains the oldest known surviving submarine in the world. In 1864, late in the American Civil War , the Confederate navy 's H. L. Hunley became the first military submarine to sink an enemy vessel, the Union sloop-of-war USS  Housatonic , using a gun-powder-filled keg on

5712-461: The Duchy of Holstein. It began to decline c.  1850 and ceased in 1900. The University of Kiel was founded on 29 September 1665 by Christian Albert , Duke of Holstein-Gottorp . A number of important scholars, including Theodor Mommsen , Felix Jacoby , Hans Geiger and Max Planck , studied or taught there. From 1773 to 1864, the town belonged to the king of Denmark . However, because

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5824-456: The English clergyman and inventor George Garrett and the Swedish industrialist Thorsten Nordenfelt led to the first practical steam-powered submarines, armed with torpedoes and ready for military use. The first was Nordenfelt I , a 56-tonne, 19.5-metre (64 ft) vessel similar to Garrett's ill-fated Resurgam (1879), with a range of 240 kilometres (130 nmi; 150 mi), armed with

5936-603: The French steam and electric Narval employed the now typical double-hull design, with a pressure hull inside the outer shell. These 200-ton ships had a range of over 160 km (100 mi) underwater. The French submarine Aigrette in 1904 further improved the concept by using a diesel rather than a gasoline engine for surface power. Large numbers of these submarines were built, with seventy-six completed before 1914. The Royal Navy commissioned five Holland-class submarines from Vickers , Barrow-in-Furness , under licence from

6048-750: The German developments in submarine technology with the creation of the K-class submarines . However, these submarines were notoriously dangerous to operate due to their various design flaws and poor maneuverability. During World War II , Germany used submarines to devastating effect in the Battle of the Atlantic , where it attempted to cut Britain's supply routes by sinking more merchant ships than Britain could replace. These merchant ships were vital to supply Britain's population with food, industry with raw material, and armed forces with fuel and armaments. Although

6160-441: The Pacific War destroyed more Japanese shipping than all other weapons combined. This feat was considerably aided by the Imperial Japanese Navy's failure to provide adequate escort forces for the nation's merchant fleet. During World War II, 314 submarines served in the US Navy, of which nearly 260 were deployed to the Pacific. When the Japanese attacked Hawaii in December 1941, 111 boats were in commission; 203 submarines from

6272-407: The Pacific in World War II. Mine -laying submarines were developed in the early part of the 20th century. The facility was used in both World Wars. Submarines were also used for inserting and removing covert agents and military forces in special operations , for intelligence gathering, and to rescue aircrew during air attacks on islands, where the airmen would be told of safe places to crash-land so

6384-414: The Russian submarine Som was fired upon by Japanese torpedo boats, but then withdrew. Military submarines first made a significant impact in World War I . Forces such as the U-boats of Germany saw action in the First Battle of the Atlantic , and were responsible for sinking RMS  Lusitania , which was sunk as a result of unrestricted submarine warfare and is often cited among the reasons for

6496-461: The U-boats had been updated in the interwar years, the major innovation was improved communications, encrypted using the Enigma cipher machine . This allowed for mass-attack naval tactics ( Rudeltaktik , commonly known as " wolfpack "), which ultimately ceased to be effective when the U-boat's Enigma was cracked . By the end of the war, almost 3,000 Allied ships (175 warships, 2,825 merchantmen) had been sunk by U-boats. Although successful early in

6608-523: The US, the Soviet Union (now Russia), the UK, and France have been powered by a nuclear reactor . In 1959–1960, the first ballistic missile submarines were put into service by both the United States ( George Washington class ) and the Soviet Union ( Golf class ) as part of the Cold War nuclear deterrent strategy. During the Cold War, the US and the Soviet Union maintained large submarine fleets that engaged in cat-and-mouse games. The Soviet Union lost at least four submarines during this period: K-129

6720-432: The aftermath of her divorce from Mr. Davies, since she had originally brought the ship into the marriage. After evaluating the cost of running a year-round crew of seventy-two, Post decided to sell the ship. In the beginning Sea Cloud featured royal-sails over single topgallant- and double top-sails on the fore and mizzen masts. The main mast was equipped with a royal-sail over double topgallant- and double top-sails. Today

6832-416: The association Museen am Meer . In addition to preserving architecture from the 16th century and historic rooms with painted stucco ceilings, it displays urban and cultural exhibits of the 19th and 20th centuries. Particularly intriguing is the history of the carnival in Kiel. The Schifffahrtsmuseum is in the former fish market building in the harbour. Laboe is home to the Laboe Naval Memorial and

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6944-603: The belief that the vessel was evacuating anti-Israeli militias. The ship was hit by two torpedoes, managed to run aground but eventually sank. There were 25 dead, including her captain. The Israeli Navy disclosed the incident in November 2018. Before and during World War II , the primary role of the submarine was anti-surface ship warfare. Submarines would attack either on the surface using deck guns, or submerged using torpedoes . They were particularly effective in sinking Allied transatlantic shipping in both World Wars, and in disrupting Japanese supply routes and naval operations in

7056-430: The canal were seized by a British T-Force led by Major Tony Hibbert on 5 May 1945. Like other heavily bombed German cities, the city was rebuilt after the war. In 1946, Kiel was named the seat of government for Schleswig-Holstein , and it officially became the state's capital in 1952. Today, Kiel is once again an important maritime centre of Germany, with high-tech shipbuilding, submarine construction and one of

7168-414: The capital of Schleswig-Holstein until the Danish victory in 1850. During the Second Schleswig War in 1864, Kiel and the rest of the duchies of Schleswig and Holstein were conquered by a German Confederation alliance of the Austrian Empire and the Kingdom of Prussia . After the war, Kiel was briefly administered by both the Austrians and the Prussians, but the Austro-Prussian War in 1866 led to

7280-422: The city proper, which are connected with each other, the main railway station Kiel Hbf and other stations by regional trains, which can be used within the boundaries of the city with a normal bus ticket. Submarine A submarine (or sub ) is a watercraft capable of independent operation underwater. (It differs from a submersible , which has more limited underwater capability.) The term “submarine”

7392-407: The craft. A mechanism was used to twist the water out of the bags and cause the boat to resurface. In 1749, the Gentlemen's Magazine reported that a similar design had initially been proposed by Giovanni Borelli in 1680. Further design improvement stagnated for over a century, until application of new technologies for propulsion and stability. The first military submersible was Turtle (1775),

7504-403: The design of its tower was based on one in Venice . The square in front of it is bordered by a lake and the Opernhaus Kiel (Kiel Opera House). There are also a number of lakes and parks in the city centre, such as Schrevenpark. There are two botanical gardens , the Old Botanical Garden and the Botanischer Garten der Christian-Albrechts-Universität zu Kiel (or New Botanical Garden). As Kiel

7616-442: The designation USS ( United States Ship ) at the beginning of their names, such as USS  Alabama . In the Royal Navy, the designation HMS can refer to "His Majesty's Ship" or "His Majesty's Submarine", though the latter is sometimes rendered "HMS/m" and submarines are generally referred to as boats rather than ships . According to a report in Opusculum Taisnieri published in 1562: Two Greeks submerged and surfaced in

7728-441: The development of the homing torpedo, better sonar systems, and nuclear propulsion , submarines also became able to hunt each other effectively. The development of submarine-launched ballistic missile and submarine-launched cruise missiles gave submarines a substantial and long-ranged ability to attack both land and sea targets with a variety of weapons ranging from cluster bombs to nuclear weapons . The primary defense of

7840-625: The enemyes by the Grace of God and worke of expert Craftsmen I hope to perform." It is unclear whether he carried out his idea. Jerónimo de Ayanz y Beaumont (1553–1613) created detailed designs for two types of air-renovated submersible vehicles. They were equipped with oars, autonomous floating snorkels worked by inner pumps, portholes and gloves used for the crew to manipulate underwater objects. Ayanaz planned to use them for warfare, using them to approach enemy ships undetected and set up timed gunpowder charges on their hulls. The first submersible of whose construction there exists reliable information

7952-402: The entry of the United States into the war. At the outbreak of the war, Germany had only twenty submarines available for combat, although these included vessels of the diesel-engined U-19 class, which had a sufficient range of 5,000 miles (8,000 km) and speed of 8 knots (15 km/h) to allow them to operate effectively around the entire British coast., By contrast, the Royal Navy had

8064-550: The first practical self-propelled or "locomotive" torpedo. The spar torpedo that had been developed earlier by the Confederate States Navy was considered to be impracticable, as it was believed to have sunk both its intended target, and H. L. Hunley , the submarine that deployed it. The Irish inventor John Philip Holland built a model submarine in 1876 and in 1878 demonstrated the Holland I prototype. This

8176-561: The first three masts are rigged with double top-sails, single topgallants, royals and a main skysail. Rafael Trujillo , ruler of the Dominican Republic , purchased Sea Cloud in 1955, trading a secondhand Vickers Viscount airliner in return. He renamed the ship Angelita after his daughter Angelita Trujillo . The yacht served as a houseboat and government office. Following Trujillo's assassination on May 30, 1961, his family attempted to smuggle themselves and Trujillo's body to

8288-586: The formation of the Province of Schleswig-Holstein and the annexation of Kiel by Prussia in 1867. On 24 March 1865 King William I based Prussia's Baltic Sea fleet in Kiel instead of Danzig (Gdańsk) . The Imperial shipyard Kiel was established in 1867 in the town. When William I of Prussia became Emperor William I of the German Empire in 1871, he designated Kiel and Wilhelmshaven as Reichskriegshäfen ("Imperial War Harbours"). The Kiel Yacht Club

8400-521: The highest submerged speeds during World War II ( I-201 -class submarines) and submarines that could carry multiple aircraft ( I-400 -class submarines). They were also equipped with one of the most advanced torpedoes of the conflict, the oxygen-propelled Type 95 . Nevertheless, despite their technical prowess, Japan chose to use its submarines for fleet warfare, and consequently were relatively unsuccessful, as warships were fast, maneuverable and well-defended compared to merchant ships. The submarine force

8512-421: The inner city, providing better pavements, better access to and view of the waterfront, and a generally more attractive feel to the place. These plans, most notably the "Kleiner Kiel Kanal", a restoration of a historic canal that was filled in to make place for road infrastructure, are to be implemented in the next few years. The oldest building in the city is the 13th century Church of St. Nicholas , which has

8624-641: The king ruled Holstein as a fief of the Holy Roman Empire only through a personal union , the town was not incorporated as part of Denmark proper. Even though the empire was abolished in 1806, the Danish king continued to rule Kiel only through his position as Duke of Holstein, which became a member of the German Confederation in 1815. When Schleswig and Holstein rebelled against Denmark in 1848 (the First Schleswig War ), Kiel became

8736-437: The main force attacking Kiel, and there was no water for three days; trains and buses did not run for eight days and there was no gas available for cooking for three weeks. There were several bombing raids of the port area during the period 20 February – 20 April 1945 which successfully eliminated many U-boats , and the few large warships (cruisers Hipper , Scheer , and Köln ) still afloat at that time. It and its port, and

8848-498: The missile with a nuclear warhead . Tunny and its sister boat, Barbero , were the United States' first nuclear deterrent patrol submarines. In the 1950s, nuclear power partially replaced diesel–electric propulsion. Equipment was also developed to extract oxygen from sea water. These two innovations gave submarines the ability to remain submerged for weeks or months. Most of the naval submarines built since that time in

8960-459: The most successful team handball clubs in the world and multiple German champion, THW Kiel . Holstein Kiel , an association football club, which plays at Holstein-Stadion , will play in the Bundesliga in the 2024–2025 season for the first time in the club's history. The University of Kiel (German: Christian-Albrechts-Universität) was founded by Duke Christian Albrecht in 1665. It is

9072-652: The mouth of the Schwentine River, approximately 90 kilometres (56 mi) northeast of Hamburg . The world's busiest artificial waterway, the Kiel Canal , has a terminus in Kiel's Holtenau district. This canal connects the Baltic to the North Sea , with its other end in Brunsbüttel . Most of Kiel is part of Holstein . The boroughs north of the Schwentine also belong to Wagria , while those north of

9184-885: The only full university of Schleswig-Holstein, with about 27.000 students. Partly linked to the University Kiel are other independent research facilities such as the German National Library of Economics – Leibniz Informationcenter for Economy, the Kiel Institute for the World Economy , the GEOMAR Helmholtz Centre for Ocean Research Kiel and the research institute of the Bundeswehr for water sound and geophysics. Besides these there are other educational institutions such as

9296-462: The outcome of the war, decided they had nothing to lose and refused to obey orders. They took over Kiel and then spread out to other north German ports, sparking the revolution which led to the abolition of the monarchy and the creation of the Weimar Republic . During the Second World War , Kiel remained one of the major naval bases and shipbuilding centres of the German Reich. There was also

9408-456: The parade. Kiel Week is also a festival, Volksfest and fair as well as a maritime event. There are a number of yachting and sailing clubs in picturesque settings. Kiel also features a number of museums, including zoological, geological, historical, fine art, industrial and military museums. Notable is the Stadt- und Schifffahrtsmuseum Warleberger Hof (City and Maritime Museum), which belongs to

9520-405: The preceding years. More submersibles than true submarines, U-boats operated primarily on the surface using regular engines, submerging occasionally to attack under battery power. They were roughly triangular in cross-section, with a distinct keel to control rolling while surfaced, and a distinct bow. During World War I more than 5,000 Allied ships were sunk by U-boats. The British responded to

9632-694: The river Tagus near the City of Toledo several times in the presence of The Holy Roman Emperor Charles V , without getting wet and with the flame they carried in their hands still alight. In 1578, the English mathematician William Bourne recorded in his book Inventions or Devises one of the first plans for an underwater navigation vehicle. A few years later the Scottish mathematician and theologian John Napier wrote in his Secret Inventions (1596) that "These inventions besides devises of sayling under water with divers, other devises and strategems for harming of

9744-492: The ship Sea Cloud . Although Mrs. Davies owned the ship, she allowed Mr. Davies to claim ownership of the vessel. Those whom Davies entertained on the ship included Queen Elisabeth of Belgium . Soviet and United States officials stayed and met on the vessel. When Mrs. Davies first offered the ship to the U.S. Department of the Navy in 1941, the Navy turned her down. President Franklin Delano Roosevelt objected to

9856-585: The ship entering service, remarking that the ship was too beautiful to be sacrificed. On January 7, 1942, the Navy reassessed its position and chartered the ship for $ 1 per year. The Navy sent Sea Cloud from Georgetown, South Carolina , to the United States Coast Guard Yard in Curtis Bay, Maryland , to be refitted as a "weather observation station vessel", and had the four masts removed and hull painted battleship gray . Sea Cloud

9968-567: The ship was integrated, American painter Jacob Lawrence served on the Sea Cloud . He was able to paint and sketch while in the Coast Guard, notably his War Series . Following her return, Sea Cloud received a reassembled rigging in 1947, and a new set of twenty-nine sails in 1949. The vessel was painted white, and a gold eagle painted on the bow. The ship's reconstruction took nearly four years. Post retained ownership of Sea Cloud in

10080-408: The ship, after previously serving as executive officer in November 1944. At the time, black seamen were permitted to serve only as ship stewards. After witnessing a black man save the crew of Northland yet still be denied promotion because of the rule, Skinner proposed an experiment. Skinner submitted his plan to the U.S. Secretary of the Navy and was allowed to sail his first weather patrol with

10192-631: The sinking the Argentine Navy recognized that they had no effective defense against submarine attack, and the Argentine surface fleet withdrew to port for the remainder of the war. An Argentine submarine remained at sea, however. Although the majority of the world's submarines are military, there are some civilian submarines, which are used for tourism, exploration, oil and gas platform inspections, and pipeline surveys. Some are also used in illegal activities. The Submarine Voyage ride opened at Disneyland in 1959, but although it ran under water it

10304-499: The southern end of the fjord, is a traditional working-class district that used to be home to mainly shipyard workers. Mettenhof is a large housing estate (satellite town) that was built in the 1960s and 1970s on the western outskirts of the city. The city districts of Düsternbrook, Schreventeich, Ravensberg and Blücherplatz, north of the city centre, are popular places to live with many 19th century buildings, villas and tree-lined streets. The government offices, ministries and parliament of

10416-488: The state of Schleswig-Holstein are also mainly based in these neighbourhoods, particularly Düsternbrook. In contrast to the heavy bomb damage inflicted on the central parts of the city during the Second World War , most of the residential areas were not severely damaged. Hence, Kiel's more modern-style inner city and Kiel's more historic/elaborate residential areas stand in architectural contrast to one another. There are plans for large-scale improvement and building efforts for

10528-476: The submarines could rescue them. Submarines could carry cargo through hostile waters or act as supply vessels for other submarines. Submarines could usually locate and attack other submarines only on the surface, although HMS  Venturer managed to sink U-864 with a four torpedo spread while both were submerged. The British developed a specialized anti-submarine submarine in WWI, the R class . After WWII, with

10640-539: The very yard she was built in. She was redesigned with a sixty-four passenger capacity for a crew of sixty. The ship set sail on her first cruise in 1979, and has since been described by the Berlitz Complete Guide to Cruising & Cruise Ships as "the most romantic sailing ship afloat". In 2011, the Sea Cloud underwent extensive renovations at the MWB-Werft, Bremerhaven . She is still operating as

10752-468: The vessel to the United States, but port authorities docked the boat after a dispute in Colón, Panama . Charles and Stephanie Gallagher paid the fees to get the ship free and set her to sea, even though Blue still held the ship's papers. The two dreamed of making the ship an "oceanic school" where students would supplement their traditional learning with at-sea education. Blue eventually retrieved his ship after

10864-466: The war, Germany's U-boat fleet suffered heavy casualties, losing 793 U-boats and about 28,000 submariners out of 41,000, a casualty rate of about 70%. The Imperial Japanese Navy operated the most varied fleet of submarines of any navy, including Kaiten crewed torpedoes, midget submarines ( Type A Ko-hyoteki and Kairyu classes ), medium-range submarines, purpose-built supply submarines and long-range fleet submarines . They also had submarines with

10976-522: The world's largest ocean research centers, the GEOMAR. Regular ferries to Scandinavia and Lithuania, as well as the largest sailing event in the world called the Kiel Week (Kieler Woche) in German and The Kiel Regatta in English. The Kieler Umschlag is another festival, which has been taking place again since 1975. Kiel is also home to a large service sector and a number of research institutions including

11088-559: Was administered by Denmark in personal union . In 1866 the city was annexed by Prussia and in 1871 it became part of Germany. Kiel was one of the founding cities of the original European Green Capital Award in 2006. In 2005 Kiel's GDP per capita was € 35,618, which is well above Germany 's national average, and 159% of the European Union 's average. The city of Kiel was founded in 1233 as Holstenstadt tom Kyle by Count Adolf IV of Holstein , and granted Lübeck city rights in 1242 by Adolf's eldest son, John I of Schauenburg. As

11200-633: Was built at the Chilean government's request by Karl Flach , a German engineer and immigrant. It was the fifth submarine built in the world and, along with a second submarine, was intended to defend the port of Valparaiso against attack by the Spanish Navy during the Chincha Islands War . Submarines could not be put into widespread or routine service use by navies until suitable engines were developed. The era from 1863 to 1904 marked

11312-545: Was commissioned as a United States Coast Guard Cutter on April 4, 1942, and assigned to the Eastern Sea Frontier , with a permanent home port in Boston . During 1942, Sea Cloud mostly served as a weather ship at Weather Patrol Station Number Two (position 52°0′N 42°30′W  /  52.000°N 42.500°W  / 52.000; -42.500 ). On June 6, 1942, the ship rescued eight survivors from

11424-440: Was designed and built in 1620 by Cornelis Drebbel , a Dutchman in the service of James I of England . It was propelled by means of oars. By the mid-18th century, over a dozen patents for submarines/submersible boats had been granted in England. In 1747, Nathaniel Symons patented and built the first known working example of the use of a ballast tank for submersion. His design used leather bags that could fill with water to submerge

11536-477: Was established in 1887 with Prince Henry of Prussia as its patron. Emperor Wilhelm II became its commodore in 1891. Because of its new role as Germany's main naval base, Kiel very quickly increased in size in the following years, from 18,770 in 1864 to about 200,000 in 1910. Much of the old town centre and other surroundings were levelled and redeveloped to provide for the growing city. The Kiel tramway network , opened in 1881, had been enlarged to 10 lines, with

11648-601: Was followed by a number of unsuccessful designs. In 1896, he designed the Holland Type VI submarine, which used internal combustion engine power on the surface and electric battery power underwater. Launched on 17 May 1897 at Navy Lt. Lewis Nixon 's Crescent Shipyard in Elizabeth, New Jersey , Holland VI was purchased by the United States Navy on 11 April 1900, becoming the Navy's first commissioned submarine, christened USS  Holland . Discussions between

11760-734: Was lost in 1968 (a part of which the CIA retrieved from the ocean floor with the Howard Hughes -designed ship Glomar Explorer ), K-8 in 1970, K-219 in 1986, and Komsomolets in 1989 (which held a depth record among military submarines—1,000 m (3,300 ft)). Many other Soviet subs, such as K-19 (the first Soviet nuclear submarine, and the first Soviet sub to reach the North Pole) were badly damaged by fire or radiation leaks. The US lost two nuclear submarines during this time: USS  Thresher due to equipment failure during

11872-443: Was not a true submarine, as it ran on tracks and was open to the atmosphere. The first tourist submarine was Auguste Piccard , which went into service in 1964 at Expo64 . By 1997, there were 45 tourist submarines operating around the world. Submarines with a crush depth in the range of 400–500 feet (120–150 m) are operated in several areas worldwide, typically with bottom depths around 100 to 120 feet (30 to 37 m), with

11984-774: Was once again reassigned to Weather Station Number Four. After a search for a downed aircraft, she returned to port in Boston. Sea Cloud was decommissioned on November 4, 1944, at the Bethlehem Steel Atlantic Yard and returned to Davies, along with $ 175,000 for conversion to pre-war appearance. For her wartime service, Sea Cloud was awarded the American Campaign Medal and the World War Two Victory Medal . In late 1944, Lieutenant Carlton Skinner took command of

12096-464: Was rebased to Argentia, Newfoundland , where she was assigned to Weather Station Number Three. While patrolling the area on June 11, 1944, the crew spotted a Navy Grumman TBF Avenger , exchanging recognition signals . Sea Cloud received orders to report to the escort carrier Croatan and join the five other escort ships under her command. The envoy searched for a raft reported in the area, but returned with no sightings. After this event, Sea Cloud

12208-488: Was the " conning tower ": a separate pressure hull above the main body of the boat that enabled the use of shorter periscopes. There is a propeller (or pump jet) at the rear, and various hydrodynamic control fins. Smaller, deep-diving, and specialty submarines may deviate significantly from this traditional design. Submarines dive and resurface by using diving planes and by changing the amount of water and air in ballast tanks to affect their buoyancy . Submarines encompass

12320-614: Was the French Plongeur ( Diver ), launched in 1863, which used compressed air at 1,200  kPa (180  psi ). Narcís Monturiol designed the first air-independent and combustion -powered submarine, Ictíneo II , which was launched in Barcelona , Spain in 1864. The submarine became feasible as potential weapon with the development of the Whitehead torpedo , designed in 1866 by British engineer Robert Whitehead ,

12432-626: Was the first submarine combat loss since World War II. In 1982 during the Falklands War , the Argentine cruiser General Belgrano was sunk by the British submarine HMS  Conqueror , the first sinking by a nuclear-powered submarine in war. Some weeks later, on 16 June, during the Lebanon War , an unnamed Israeli submarine torpedoed and sank the Lebanese coaster Transit , which was carrying 56 Palestinian refugees to Cyprus , in

12544-532: Was the most effective anti-ship weapon in the American arsenal. Submarines, though only about 2 percent of the U.S. Navy, destroyed over 30 percent of the Japanese Navy, including 8 aircraft carriers, 1 battleship and 11 cruisers. US submarines also destroyed over 60 percent of the Japanese merchant fleet, crippling Japan's ability to supply its military forces and industrial war effort. Allied submarines in

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