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Krupp K5
The Krupp K5 was a heavy railway gun used by Germany throughout World War II. Description Krupp's K5 series were consistent in mounting a long gun barrel in a fixed mounting with only vertical elevation of the weapon. This gondola was then mounted on a pair of 12-wheel bogies designed to be operated on commercial and military rails built to German standards. This mounting permitted only two degrees of horizontal traverse. The carriage had to be aligned on the rails first, with only minimal fine leveling capable once halted. Hence the gun could only fire at targets tangential to an existing railway track. To track targets needing greater traverse either a curved length of railway was used with the gun shunted backwards or forwards to aim; a cross-track was laid with the front bogie turned perpendicular to the rest of the gun and moved up and down the cross-track to train the weapon; or for 360 degree traverse, the "Vögele Turntable" could be constructed, consisting of a raised r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Railway Gun
A railway gun, also called a railroad gun, is a large artillery piece, often surplus naval artillery, mounted on, transported by, and fired from a specially designed railroad car, railway wagon. Many countries have built railway guns, but the best-known are the large Krupp-built pieces used by German Reich, Germany in World War I and World War II. Smaller guns were often part of an armoured train. Only able to be moved where there were good tracks, which could be destroyed by artillery bombardment or airstrike, railway guns were phased out after World War II. Design considerations The design of a railway gun has three firing issues over and above those of an ordinary artillery piece to consider. Namely how the gun is going to be traversed – i.e. moved from side to side to aim; how the horizontal component of the recoil force will be absorbed by the gun's carriage and how the vertical recoil force will be absorbed by the ground. Methods of traverse The first method of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Army Center Of Military History
The United States Army Center of Military History (CMH) is a directorate within the United States Army Training and Doctrine Command. The Institute of Heraldry remains within the Office of the Administrative Assistant to the Secretary of the Army. The center is responsible for the appropriate use of history and military records throughout the United States Army. Traditionally, this mission has meant recording the official history of the army in both peace and war, while advising the army staff on historical matters. CMH is the flagship organization leading the Army Historical Program. CMH is also in charge of the National Museum of the United States Army, which was recently completed at Fort Belvoir, Virginia. Mission The center traces its lineage back to historians under the Secretary of War who compiled the ''Official Records of the Rebellion'', an extensive history of the American Civil War begun in 1874. A similar work on World War I was prepared by the Historical Section o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Liberation Of Rome
The Battle of Anzio was a battle of the Italian Campaign of World War II that took place from January 22, 1944 (beginning with the Allied amphibious landing known as Operation Shingle) to June 5, 1944 (ending with the capture of Rome). The operation was opposed by German forces in the area of Anzio and Nettuno. The operation was initially commanded by Major General John P. Lucas, of the U.S. Army, commanding U.S. VI Corps with the intent to outflank German forces at the Winter Line and enable an attack on Rome. The success of an amphibious landing at that location, in a basin consisting substantially of reclaimed marshland and surrounded by mountains, depended on the element of surprise and the swiftness with which the invaders could build up strength and move inland relative to the reaction time and strength of the defenders. Any delay could result in the occupation of the mountains by the defenders and the consequent entrapment of the invaders. Lieutenant General Mark W. Cl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Base Realignment And Closure
Base Realignment and Closure (BRAC) is a process by a United States federal government commission to increase United States Department of Defense efficiency by coordinating the realignment and closure of military installations following the end of the Cold War. More than 350 installations have been closed in five BRAC rounds: 1988, 1991, 1993, 1995, and 2005. These five BRAC rounds constitute a combined savings of $12 billion annually. Background The Federal Property and Administrative Services Act of 1949, passed after the 1947 reorganization of the National Military Establishment, reduced the number of US military bases, forts, posts, and stations. The subsequent 1950s buildup for the Cold War (e.g., during the Korean War) resulted in large numbers of new installations, such as the of Permanent System radar stations and Semi Automatic Ground Environment (SAGE) control centers. By 1959, plans for even larger numbers of Cold War installations were canceled (e.g., DoD's June 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fort Lee (Virginia)
Fort Lee, in Prince George County, Virginia, United States, is a United States Army post and headquarters of the United States Army Combined Arms Support Command (CASCOM)/ Sustainment Center of Excellence (SCoE), the U.S. Army Quartermaster School, the U.S. Army Ordnance School, the U.S. Army Transportation School, the Army Logistics University (ALU), Defense Contract Management Agency (DCMA), and the U.S. Defense Commissary Agency (DeCA). Fort Lee also hosts two Army museums, the U.S. Army Quartermaster Museum and the U.S. Army Women's Museum. The equipment and other materiel associated with the Army's Ordnance Museum was moved to Fort Lee in 2009–2010 for use by the United States Army Ordnance Training and Heritage Center. The installation is named for U.S. Army Colonel and Confederate States General in Chief, Robert E. Lee. It is one of the U.S. Army installations named for Confederate soldiers that The Naming Commission is recommending be renamed. On August 8, 2022, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maryland
Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to its east. Baltimore is the largest city in the state, and the capital is Annapolis. Among its occasional nicknames are '' Old Line State'', the ''Free State'', and the '' Chesapeake Bay State''. It is named after Henrietta Maria, the French-born queen of England, Scotland, and Ireland, who was known then in England as Mary. Before its coastline was explored by Europeans in the 16th century, Maryland was inhabited by several groups of Native Americans – mostly by Algonquian peoples and, to a lesser degree, Iroquoian and Siouan. As one of the original Thirteen Colonies of England, Maryland was founded by George Calvert, 1st Baron Baltimore, a Catholic convert"George Calvert and Cecilius Calvert, Barons Baltimore" William Hand Browne, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aberdeen, Maryland
Aberdeen is a city located in Harford County, Maryland, United States, northeast of Baltimore. The population was 16,254 at the 2020 United States Census. Aberdeen is the largest municipality in Harford County. Aberdeen is part of the Baltimore-Towson Metropolitan Statistical Area (MSA), which is the 20th-largest United States metropolitan area. The nearest city to Aberdeen is Havre de Grace, to the northeast. History Aberdeen was named after Aberdeen, Scotland, by immigrating Scots. The James B. Baker House, Chestnut Ridge, Griffith House, Poplar Hill, Sophia's Dairy, and Swansbury are listed on the National Register of Historic Places. Early settlements Aberdeen began as a farming community in 1720, when Charles Calvert, the fifth Lord Baltimore, granted 1,140 acres of fertile land to Edward Hall. Located on the western edge of the Chesapeake on the main road between Alexandria and Philadelphia called the Old Post Road, the village at Halls Cross Road remained sma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aberdeen Proving Ground
Aberdeen Proving Ground (APG) (sometimes erroneously called Aberdeen Proving ''Grounds'') is a U.S. Army facility located adjacent to Aberdeen, Harford County, Maryland, United States. More than 7,500 civilians and 5,000 military personnel work at APG.There are 11 major commands among the tenant units, including: * United States Army Communications-Electronics Command (CECOM) * United States Army Combat Capabilities Development Command (CCDC) * United States Army Test and Evaluation Command (ATEC) * Edgewood Arsenal * Adelphi Laboratory Center **The Army Reserve Information Operations Command **Unified Cross Domain Services Management Office **HQ, U.S. Army Contracting Command (Army Contracting Command –APG, Adelphi Contracting Division) **U.S Army 93rd Signal Network - Network Enterprise Center **Logistics Readiness Center **U.S. Army Cyber Operation Group – 335th Signal Command **Blossom Point Research Facility History APG is the U.S. Army's oldest active proving ground, est ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Double-base Powder
Finnish smokeless powderSmokeless powder is a type of propellant used in firearms and artillery that produces less smoke and less fouling when fired compared to gunpowder ("black powder"). The combustion products are mainly gaseous, compared to around 55% solid products (mostly potassium carbonate, potassium sulfate, and potassium sulfide) for black powder. In addition, smokeless powder does not leave the thick, heavy fouling of hygroscopic material associated with black powder that causes rusting of the barrel. Despite its name, smokeless powder is not completely free of smoke; while there may be little noticeable smoke from small-arms ammunition, smoke from artillery fire can be substantial. Originally invented in 1884 by Paul Vieille, the most common formulations are based on nitrocellulose, but the term was also used to describe various picrate mixtures with nitrate, chlorate, or dichromate oxidizers during the late 19th century, before the advantages of nitrocellulose b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tiger II
The Tiger II is a German heavy tank of the Second World War. The final official German designation was ''Panzerkampfwagen'' Tiger ''Ausf''. B,'' Panzerkampfwagen'' – abbr: ''Pz.'' or ''Pz.Kfw.'' (English: "armoured fighting vehicle"), ''Ausf.'' is abbreviation of ''Ausführung'' (English: variant). The full titles ''Panzerkampfwagen'' Tiger ''Ausf''. B and ''Panzerbefehlswagen'' Tiger ''Ausf''. B (for the command version) were used in training and maintenance manuals and in organisation and equipment tables. (Jentz and Doyle 1997). Also sometimes referred to as "Pz. VI ''Ausf'' B", not to be confused with "Pz. VI ''Ausf'' E”, which was the Tiger I. often shortened to Tiger B.Jentz and Doyle 1993, p. 16. The ordnance inventory designation was ''Sd.Kfz.'' 182. ( ''Sd.Kfz.'' 267 and 268 for command vehicles). It was known as King Tiger by Allied soldiers, and is also known under the informal name ''Königstiger'' (the German name for the Bengal tiger which translates literally a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rocket-assisted Projectile
A rocket-assisted projectile (RAP) is a cannon, howitzer, Mortar (weapon), mortar, or recoilless rifle round incorporating a rocket motor for independent propulsion. This gives the projectile greater speed and range than a non-assisted Ballistics, ballistic shell, which is propelled only by the gun's exploding charge. Some forms of rocket-assisted projectiles can be outfitted with a laser-guide for greater accuracy. The German Sturmtiger (1944) used a 380 mm Rocket Propelled Round as its main projectile. These rounds were high explosive shells or shaped charges with a maximum range of 6,000 m. The gun first accelerated the projectile to 45 m/s (150 ft/s), the 40 kg (88 lb) rocket charge then boosted this to about 250 m/s (820 ft/s). Also the German Krupp K5 railway gun of World War 2 used rocket assisted projectiles in the later stages of the war, although it also used conventional artillery projectiles. The North Korean Koksan (artillery), M-1978 / M1989 (KOKSAN) 170mm self ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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