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USNS Potomac (T-AO-181)
The fifth USNS ''Potomac'' (T-AO-181) was a United States Navy oiler in non-commissioned service with the Military Sea Transportation Service, later Military Sealift Command, from 1976 to 1983. ''Potomac'', sixth U.S. Navy ship to bear the name, was laid down as SS ''Shenandoah'' at Sun Shipbuilding and Drydock Company at Chester, Pennsylvania, on 1 March 1964 and launched on 10 October 1964. She was built using the 200-foot (61 m) salvaged stern section of the oiler USNS ''Potomac'' (T-AO-150)—a ship which had been destroyed by a fire on 26 September 1961—to which a new forward section was added. She was the first ship equipped with an offshore petroleum discharge system (OPDS), allowing her to supply petroleum products to forces ashore by pumping it directly over the shore instead of having to deliver it in a port. The U.S. Navy acquired ''Shenandoah'' on 10 October 1964, and delivered her to Keystone Shipping Company on 11 December 1965. Keystone Shipping then char ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
USS Potomac (T-AO-181)
USS ''Potomac'' or USNS ''Potomac'' may refer to one of these United States Navy ships: * , a frigate in commission from 1831 to 1877 * , a whaler purchased in 1861 and sunk as part of the "Stone Fleet" in 1862 * , a tug in commission from 1898 to 1922 * , a presidential yacht in service from 1936 to 1945 * , an oiler in service from 1957 until destroyed in a fire in 1961 * , an oiler in service from 1976 to 1983 {{DEFAULTSORT:Potomac, USS United States Navy ship names ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Steam
Steam is a substance containing water in the gas phase, and sometimes also an aerosol of liquid water droplets, or air. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization. Steam that is saturated or superheated is invisible; however, "steam" often refers to wet steam, the visible mist or aerosol of water droplets formed as water vapor condenses. Water increases in volume by 1,700 times at standard temperature and pressure; this change in volume can be converted into mechanical work by steam engines such as reciprocating piston type engines and steam turbines, which are a sub-group of steam engines. Piston type steam engines played a central role in the Industrial Revolution and modern steam turbines are used to generate more than 80% of the world's electricity. If liquid water comes in contact with a very hot surface or depressurizes quickly below its vapor pressure, it can create a steam explosion. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Keystone Shipping Company
Keystone Shipping Company of Philadelphia, Pennsylvania is a major shipping and transportation company. Keystone Shipping Company operates a fleet of ships for both dry bulk cargo and tankers. Since World War I, the Keystone Shipping Company has been active in the worldwide support of the United States Armed Forces. Keystone Shipping Company is part of the Ready Reserve Fleet program. Keystone Shipping Company was founded by Charles Kurz. Before Keystone Shipping Company, Charles Kurz was a shipping agent, commodities trader, and ship owner. Keystone Shipping Company headquarters is in Bala Cynwyd, Pennsylvania. Keystone Shipping Company has a fleet of over 20 ships. The fleet consists of: tankers, dry bulk ships, tugboats, tank barges, and roll-on/roll-off ships. Keystone Shipping Company tanker fleet transports crude oil and other petroleum products to both coasts in the United States. Key Lakes Key Lakes of Duluth, Minnesota is a subsidiary Keystone Shipping Company operati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Port
A port is a maritime facility comprising one or more wharves or loading areas, where ships load and discharge cargo and passengers. Although usually situated on a sea coast or estuary, ports can also be found far inland, such as Hamburg, Manchester and Duluth; these access the sea via rivers or canals. Because of their roles as ports of entry for immigrants as well as soldiers in wartime, many port cities have experienced dramatic multi-ethnic and multicultural changes throughout their histories. Ports are extremely important to the global economy; 70% of global merchandise trade by value passes through a port. For this reason, ports are also often densely populated settlements that provide the labor for processing and handling goods and related services for the ports. Today by far the greatest growth in port development is in Asia, the continent with some of the world's largest and busiest ports, such as Singapore and the Chinese ports of Shanghai and Ningbo-Zhou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stern
The stern is the back or aft-most part of a ship or boat, technically defined as the area built up over the sternpost, extending upwards from the counter rail to the taffrail. The stern lies opposite the bow, the foremost part of a ship. Originally, the term only referred to the aft port section of the ship, but eventually came to refer to the entire back of a vessel. The stern end of a ship is indicated with a white navigation light at night. Sterns on European and American wooden sailing ships began with two principal forms: the ''square'' or ''transom'' stern and the ''elliptical'', ''fantail'', or ''merchant'' stern, and were developed in that order. The hull sections of a sailing ship located before the stern were composed of a series of U-shaped rib-like frames set in a sloped or "cant" arrangement, with the last frame before the stern being called the ''fashion timber(s)'' or ''fashion piece(s)'', so called for "fashioning" the after part of the ship. This frame is d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Military Sea Transportation Service
Military Sealift Command (MSC) is an organization that controls the replenishment and military transport ships of the United States Navy. Military Sealift Command has the responsibility for providing sealift and ocean transportation for all US military services as well as for other government agencies. It first came into existence on 9 July 1949 when the Military Sea Transportation Service (MSTS) became solely responsible for the Department of Defense's ocean transport needs. The MSTS was renamed the Military Sealift Command in 1970. Military Sealift Command ships are made up of a core fleet of ships owned by the United States Navy and others under long-term-charter augmented by short-term or voyage-chartered ships. During a time charter MSC takes control of a merchant ship and operates it for the chartered amount of time. During this time the ship is crewed by civilian mariners and MSC pays for all expenses. Time chartered ships are not subject to inspections from foreign gover ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Replenishment Oiler
A replenishment oiler or replenishment tanker is a naval auxiliary ship with fuel tanks and dry cargo holds which can supply both fuel and dry stores during underway replenishment (UNREP) at sea. Many countries have used replenishment oilers. The United States Navy's hull classification symbol for this type of ship was AOR. Replenishment oilers are slower and carry fewer dry stores than the U.S. Navy's modern fast combat support ships, which carry the classification AOE. History The development of the "oiler" paralleled the change from coal- to oil-fired boilers in warships. Prior to the adoption of oil fired machinery, navies could extend the range of their ships either by maintaining coaling stations or for warships to raft together with colliers and for coal to be manhandled aboard. Though arguments related to fuel security were made against such a change, the ease with which liquid fuel could be transferred led in part to its adoption by navies worldwide. One of the first ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Navy
The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage of its active battle fleet alone exceeding the next 13 navies combined, including 11 allies or partner nations of the United States as of 2015. It has the highest combined battle fleet tonnage (4,635,628 tonnes as of 2019) and the world's largest aircraft carrier fleet, with eleven in service, two new carriers under construction, and five other carriers planned. With 336,978 personnel on active duty and 101,583 in the Ready Reserve, the United States Navy is the third largest of the United States military service branches in terms of personnel. It has 290 deployable combat vessels and more than 2,623 operational aircraft . The United States Navy traces its origins to the Continental Navy, which was established during the American Revo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Offshore Petroleum Discharge System
Offshore may refer to: Science and technology * Offshore (hydrocarbons) * Offshore construction, construction out at sea * Offshore drilling, discovery and development of oil and gas resources which lie underwater through drilling a well * Offshore hosting, server * Offshore wind power, wind power in a body of water * Offshore geotechnical engineering * Offshore aquaculture Arts, entertainment, and media * ''Offshore'' (novel), a 1979 British novel by Penelope Fitzgerald *The Offshore, an elite enclave of the chosen, in '' 3%'' * ''Offshore'' (album), a 2006 album by Indiana-based post-rock band Early Day Miners * "Offshore" (song), a 1996 song by British electronic dance music act Chicane Finance and law * Offshore bank, relates to the banking industry in offshore centers * Offshore company * Offshore financial centre, jurisdictions which transact financial business with non-residents * Offshore fund, collective investment in offshore centers * Offshore investment, rela ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
USNS Potomac (T-AO-150)
USNS ''Potomac'' (T-AO-150) was a United States Navy ''Maumee''-class oiler in non-commissioned service with the Military Sea Transportation Service, later Military Sealift Command, from 1957 to 1961. ''Potomac'', fifth U.S. Navy ship to bear the name, was laid down at Sun Shipbuilding and Drydock Company at Chester, Pennsylvania, on 9 June 1955 and launched on 8 October 1956, sponsored by Mrs. T. H. Robbins, Jr. She entered non-commissioned U.S. Navy service under the control of the Military Sea Transport Service (MSTS) with a primarily civilian crew on 30 January 1957. ''Potomac'' carried fuel oil and aviation fuel to the United States armed forces overseas until 26 September 1961, when she was wracked by fire and a series of explosions while alongside the Aviation Fuels Terminal Pier at Morehead City, North Carolina. Two men were killed in the explosions, and the forward part of the ship was declared a total loss. A disastrous waterfront fire was avoided by the prompt her ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Civilian
Civilians under international humanitarian law are "persons who are not members of the armed forces" and they are not "combatants if they carry arms openly and respect the laws and customs of war". It is slightly different from a non-combatant, because some non-combatants are not civilians (for example, military chaplains who are attached to the belligerent party or military personnel who are serving with a neutral country). Civilians in the territories of a party to an armed conflict are entitled to certain privileges under the customary laws of war and international treaties such as the Fourth Geneva Convention. The privileges that they enjoy under international law depends on whether the conflict is an internal one (a civil war) or an international one. In some nations, uniformed members of civilian police or fire departments colloquially refer to members of the public as civilians. Etymology The word "civilian" goes back to the late 14th century and is from Old French '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Knot (unit)
The knot () is a unit of speed equal to one nautical mile per hour, exactly (approximately or ). The ISO standard symbol for the knot is kn. The same symbol is preferred by the Institute of Electrical and Electronics Engineers (IEEE), while kt is also common, especially in aviation, where it is the form recommended by the International Civil Aviation Organization (ICAO). The knot is a non- SI unit. The knot is used in meteorology, and in maritime and air navigation. A vessel travelling at 1 knot along a meridian travels approximately one minute of geographic latitude in one hour. Definitions ;1 international knot = :1 nautical mile per hour (by definition), : (exactly), : (approximately), : (approximately), : (approximately) : (approximately). The length of the internationally agreed nautical mile is . The US adopted the international definition in 1954, having previously used the US nautical mile (). The UK adopted the international nautical mile definition in 1970, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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