Helmut Rosenbaum
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Helmut Rosenbaum
Helmut Rosenbaum (11 May 1913 – 10 May 1944) was a ''Korvettenkapitän'' (LT Commander) in Nazi Germany's ''Kriegsmarine'' during World War II who commanded U-boat , and the 30th U-boat Flotilla. He received the Knight's Cross of the Iron Cross, awarded to recognize extreme battlefield bravery or successful military leadership. He is credited with the sinking of six ships for a total of and three warships. Born in Döbeln, Rosenbaum joined the ''Reichsmarine'' (navy of the Weimar Republic) in 1932. After a period of training on surface vessels and service on various U-boats during the Spanish Civil War, he took command of his first U-boat in 1939. After torpedoing and sinking on 11 August 1942, Rosenbaum was appointed commander of the 30th U-boat Flotilla. He was killed in an aircraft crash on 10 May 1944. Military career Helmut Rosenbaum began his naval career with the ''Reichsmarine'' on 15 August 1932 as a late for the year member of "Crew 32" (the incoming class of 1932) ...
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Döbeln
Döbeln ( hsb, Doblin) is a town in Saxony, Germany, part of the Mittelsachsen district, on both banks of the river Freiberger Mulde. History * 981: First written mention of Döbeln (Margravate of Meissen). * Around 1220: Döbeln is described as a town ("''civitas''"). * 1293: First mention of * 1296: Castle and town are occupied by Adolf of Nassau. * 1330: Monastery buildings are completed. * 1333: A serious fire incinerates the entire town. * 1360: Knight Ulmann of Staupitz builds castle Reichenstein. * 1429: Looting of the town and destruction of the castle by the Hussites. * 1450: Döbeln is raided by Bohemians in the service of duke Wilhelm of Wettin, severely damaging the castle (see Saxon Fratricidal War). After that, the castle declined in its importance. * 1567: Döbeln was mentioned as "deserted palace" and afterwards only used as a quarry. * 1637: Plundered by the Swedes * 1730: Another serious fire hit Döbeln. As a result, the remains of the castle were used as ...
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Spanish Civil War
The Spanish Civil War ( es, Guerra Civil Española)) or The Revolution ( es, La Revolución, link=no) among Nationalists, the Fourth Carlist War ( es, Cuarta Guerra Carlista, link=no) among Carlists, and The Rebellion ( es, La Rebelión, link=no) or The Uprising ( es, La Sublevación, link=no) among Republicans. was a civil war in Spain fought from 1936 to 1939 between the Republicans and the Nationalists. Republicans were loyal to the left-leaning Popular Front government of the Second Spanish Republic, and consisted of various socialist, communist, separatist, anarchist, and republican parties, some of which had opposed the government in the pre-war period. The opposing Nationalists were an alliance of Falangists, monarchists, conservatives, and traditionalists led by a military junta among whom General Francisco Franco quickly achieved a preponderant role. Due to the international political climate at the time, the war had many facets and was variously viewed as cla ...
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2nd U-boat Flotilla
The 2nd U-boat Flotilla (German ''2. Unterseebootsflottille''), also known as the Saltzwedel Flotilla, was the second operational U-boat unit in Nazi Germany's ''Kriegsmarine''. Founded on 1 September 1936 under the command of ''Fregattenkapitän'' Werner Scheer, it was named in honour of ''Oberleutnant zur See'' Reinhold Saltzwedel. Saltzwedel, a U-boat commander during World War I, died on 2 December 1917, when his submarine ''UB-81'' was sunk by a mine in the English Channel. The flotilla was based in Kiel for the first few weeks after its formation, but was later moved to Wilhelmshaven, where it remained until May 1940. In June 1940, the flotilla was moved to Lorient in France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ... until it was disbanded in August 1944. Flotilla Co ...
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Watch Officer
Watchkeeping or watchstanding is the assignment of sailors to specific roles on a ship to operate it continuously. These assignments, also known at sea as ''watches'', are constantly active as they are considered essential to the safe operation of the vessel and also allow the ship to respond to emergencies and other situations quickly. These watches are divided into work periods to ensure that the roles are always occupied at all times, while those members of the crew who are assigned to work during a watch are known as ''watchkeepers''. On a typical seafaring vessel, be it naval or merchant, personnel "keep a watch" in various locations and duties across the ship, such as the bridge and engine room. Typical bridge watchkeepers include a lookout and a deck officer who is responsible for the safe navigation of the ship; whereas in the engine room, an engine officer ensures that running machinery continues to operate within tolerances. Types of watches A wide variety of types of w ...
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Leutnant Zur See
''Leutnant zur See'' (''Lt zS'' or ''LZS'') is the lowest officer rank in the German Navy. It is grouped as OF1 in Ranks and insignia of officers of NATO Navies, NATO, equivalent to an Ensign (rank), Ensign in the United States Navy, and an Acting Sub-Lieutenant in the Royal Navy, British Royal Navy. The rank was introduced in the German Imperial Navy by renaming the former rank of ''Sekonde Lieutenant'' in 1890. In navy context officers of this rank were simply addressed as ''Herr Leutnant''. To distinguish naval officers from officers of the army, the suffix ''zur See'' (at sea) was added in official communication, sometimes shortened to ''z.S.'' or ''Lt.z.S.'' The rank has since been used by the Reichsmarine, the Kriegsmarine and the German Navy. In the Volksmarine the rank was originally used in the same way until the suffix ''zur See'' was dropped. See also * Ranks of the German Bundeswehr * Rank insignia of the German Bundeswehr * Ranks and insignia of officers of NATO nav ...
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Officer's Commission
An officer is a person who holds a position of authority as a member of an armed force or uniformed service. Broadly speaking, "officer" means a commissioned officer, a non-commissioned officer, or a warrant officer. However, absent contextual qualification, the term typically refers only to a force's ''commissioned officers'', the more senior members who derive their authority from a commission from the head of state. Numbers The proportion of officers varies greatly. Commissioned officers typically make up between an eighth and a fifth of modern armed forces personnel. In 2013, officers were the senior 17% of the British armed forces, and the senior 13.7% of the French armed forces. In 2012, officers made up about 18% of the German armed forces, and about 17.2% of the United States armed forces. Historically, however, armed forces have generally had much lower proportions of officers. During the First World War, fewer than 5% of British soldiers were officers (partly ...
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Oberfähnrich Zur See
''Oberfähnrich zur See'' (OFähnr zS or OFRZS) designates in the German Navy of the Bundeswehr a military person or member of the armed forces with the last or highest Officer Aspirant (OA – german: Offizieranwärter) rank. According to the salary class it is equivalent to the Portepeeunteroffizier ranks Hauptbootsmann (Marine) and Hauptfeldwebel of Heer or Luftwaffe. It is also grouped as OR-7 in NATO, equivalent to First Sergeant, Master Sergeant, or Senior Chief Petty Officer in the US Armed forces, and to Warrant Officer Class 2 in the British Army and Royal Navy. In navy context NCOs of this rank were formally addressed as ''Herr Oberfähnrich zur See'' also informally / short ''Oberfähnrich''. The sequence of ranks (top-down approach) in that particular group is as follows: *OR-9: Oberstabsbootsmann / Oberstabsfeldwebel *OR-8: Stabsbootsmann / Stabsfeldwebel *OR-7: Oberfähnrich zur See and Hauptbootsmann / Oberfähnrich and Hauptfeldwebel *OR-6a: Oberbootsmann ...
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Kiel
Kiel () is the capital and most populous city in the northern Germany, German state of Schleswig-Holstein, with a population of 246,243 (2021). Kiel lies approximately north of Hamburg. Due to its geographic location in the southeast of the Jutland peninsula on the southwestern shore of the Baltic Sea, Kiel has become 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, Kiel Mutiny, when sailors refused to board their vessels in protest against Germany's further participation in World War I, resulting in the abdication of the Wilhelm II, German Emperor, Kaiser and the formation of the Weimar Republic. The Olympic sailing competitions of the 1936 Summer Olympics, 1936 and the 1972 Summer Olympics#Venues, 1972 Summer Olympics were held in the Bay of Kiel. Kiel has also been one of the traditional homes of the German Nav ...
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Naval Academy At Mürwik
A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake-borne, riverine, littoral, or ocean-borne combat operations and related functions. It includes anything conducted by surface ships, amphibious ships, submarines, and seaborne aviation, as well as ancillary support, communications, training, and other fields. The strategic offensive role of a navy is projection of force into areas beyond a country's shores (for example, to protect sea-lanes, deter or confront piracy, ferry troops, or attack other navies, ports, or shore installations). The strategic defensive purpose of a navy is to frustrate seaborne projection-of-force by enemies. The strategic task of the navy also may incorporate nuclear deterrence by use of submarine-launched ballistic missiles. Naval operations can be broadly divided between riverine and littoral applications (brown-water navy), open-ocean applications (blu ...
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Fähnrich Zur See
''Fähnrich zur See'' (Fähnr zS or FRZS) designates in the German Navy of the Bundeswehr a military person or member of the armed forces with the second highest Officer Aspirant (OA – german: Offizieranwärter) rank. According to the salary class it is equivalent to the Portepeeunteroffizier ranks Bootsmann (Marine) and Feldwebel of Heer or Luftwaffe. It is also grouped as OR-6 in NATO, equivalent to Technical Sergeant, Staff Sergeant, or Petty Officer First Class in the US Armed forces, and to Petty officer in the British Army and Royal Navy. In navy context NCOs of this rank were formally addressed as ''Herr/ Frau Fähnrich zur See'' also informally / short ''Fähnrich''. The sequence of ranks (top-down approach) in that particular group is as follows: Portepeeunteroffiziere *OR-9: Oberstabsbootsmann / Oberstabsfeldwebel *OR-8: Stabsbootsmann / Stabsfeldwebel *OR-7: Oberfähnrich zur See and Hauptbootsmann / Oberfähnrich and Hauptfeldwebel *OR-6a: Oberbootsmann / Oberfe ...
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Light Cruiser
A light cruiser is a type of small or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck. Prior to this smaller cruisers had been of the protected cruiser model, possessing armored decks only. While lighter and smaller than other contemporary ships they were still true cruisers, retaining the extended radius of action and self-sufficiency to act independently around the world. Through their history they served in a variety of roles, primarily as convoy escorts and destroyer command ships, but also as scouts and fleet support vessels for battle fleets. Origins and development The first small steam-powered cruisers were built for the British Royal Navy with HMS ''Mercury'' launched in 1878. Such second and third class protected cruisers evolved, gradually becoming faster, better armed and better protected. Germany took a lead in small crui ...
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Midshipman
A midshipman is an officer of the lowest rank, in the Royal Navy, United States Navy, and many Commonwealth navies. Commonwealth countries which use the rank include Canada (Naval Cadet), Australia, Bangladesh, Namibia, New Zealand, South Africa, India, Pakistan, Singapore, Sri Lanka, and Kenya. In the 17th century, a midshipman was a rating for an experienced seaman, and the word derives from the area aboard a ship, amidships, either where he worked on the ship, or where he was berthed. Beginning in the 18th century, a commissioned officer candidate was rated as a midshipman, and the seaman rating began to slowly die out. By the Napoleonic era (1793–1815), a midshipman was an apprentice officer who had previously served at least three years as a volunteer, officer's servant or able seaman, and was roughly equivalent to a present-day petty officer in rank and responsibilities. After serving at least three years as a midshipman or master's mate, he was eligible to take the e ...
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