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USS ''Merrimack'' (often spelled without the "k") was a frigate, best known as the hull upon which the ironclad warship CSS ''Virginia'' was constructed during the American Civil War. The CSS ''Virginia'' then took part in the Battle of Hampton Roads (also known as "the Battle of the ''Monitor'' and the ''Merrimack''") in the first engagement between ironclad warships. The ''Merrimack'' was the first of six screw frigates (frigates with steam power) begun in 1854. Like others of her class (, , , and ), she was named after the eponymous river. In Massachusetts, the Merrimack River flows through the town of Merrimac, often considered an older spelling which has sometimes caused confusion of the name.〔Nelson, J. The Reign of Iron. 2004.〕 == History == ''Merrimack'' was launched by the Boston Navy Yard 15 June 1855; sponsored by Miss Mary E. Simmons; and commissioned 20 February 1856, Captain Garrett J. Pendergrast in command. She was the second ship of the Navy to be named for the Merrimack River. Shakedown took the new screw frigate to the Caribbean and to Western Europe. ''Merrimack'' visited Southampton, Brest, Lisbon, and Toulon before returning to Boston and decommissioning 22 April 1857 for repairs. Recommissioning 1 September 1857, ''Merrimack'' got underway from Boston Harbor 17 October as flagship for the Pacific Squadron. She rounded Cape Horn and cruised the Pacific coast of South and Central America until heading for home 14 November 1859. Upon returning to Norfolk, she decommissioned 16 February 1860. ''Merrimack'' was still in ordinary during the crisis preceding Lincoln's inauguration. Soon after becoming Secretary of the Navy, Gideon Welles took action to prepare the frigate for sea, planning to move her to Philadelphia. The day before the firing on Fort Sumter, Welles directed that "great vigilance be exercised in guarding and protecting" Norfolk Navy Yard and her ships. On the afternoon of 17 April, the day Virginia seceded, Engineer in Chief B. F. Isherwood managed to get the frigate's engines lit off; but the previous night secessionists had sunk light boats in the channel between Cranes Island and Sewell's Point, blocking ''Merrimack''. On the 20 April, before evacuating the Navy Yard, the U.S. Navy burned ''Merrimack'' to the waterline and sank her to preclude capture. The Confederacy, in desperate need of ships, raised ''Merrimack'' and rebuilt her as an ironclad ram, according to a design prepared by Lt. John Mercer Brooke, CSN. Commissioned as CSS ''Virginia'' 17 February 1862, the ironclad was the hope of the Confederacy to destroy the wooden ships in Hampton Roads, and to end the Union blockade which had already seriously impeded the Confederate war effort. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「USS Merrimack (1855)」の詳細全文を読む スポンサード リンク
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