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USS ''Conyngham'' (Destroyer No. 58/DD-58) was a built for the United States Navy prior to the American entry into World War I. The ship was the first U.S. Navy vessel named for Gustavus Conyngham. ''Conyngham'' was laid down by the William Cramp and Sons of Philadelphia, in July 1914 and launched in July of the following year. The ship was a little more than in length, just over abeam, and had a standard displacement of . She was armed with four guns and had eight torpedo tubes. ''Conyngham'' was powered by a pair of steam turbines that propelled her at up to . After her January 1916 commissioning, ''Conyngham'' sailed in the Atlantic and the Caribbean. After the United States entered World War I in April 1917, ''Conyngham'' was part of the first U.S. destroyer squadron sent overseas. Patrolling the Irish Sea out of Queenstown, Ireland, ''Conyngham'' made several rescues of passengers and crew from ships sunk by U-boats. ''Conyngham''s commander was commended for actions related to what was thought at the time to be a "probable" kill of a German submarine. Upon returning to the United State in December 1918, ''Conyngham'' underwent repairs at the Boston Navy Yard. She remained there in reduced commission through 1921, with only brief episodes of activity. After returning to active service for about a year, she was decommissioned in June 1922. In June 1924, ''Conyngham'' was transferred to the United States Coast Guard to help enforce Prohibition as a part of the "Rum Patrol". She operated under the name USCGC ''Conyngham'' (CG-2) until 1933, when she was returned to the Navy. Later that year, the ship was renamed ''DD-58'' to free the name ''Conyngham'' for another destroyer. She was sold for scrap in August 1934. == Design and construction == ''Conyngham'' was authorized in 1913 as the second ship of the which, like the related , was an improved version of the s authorized in 1911. Construction of the vessel was awarded to William Cramp and Sons of Philadelphia, which laid down her keel on 27 July 1914. Twelve months later, on 8 July 1915, ''Conyngham'' was launched by sponsor Miss A. C. Stevens, a great-great-granddaughter of the ship's namesake, Gustavus Conyngham (1744–1819), a Continental Navy officer.〔 As built, ''Conyngham'' was in length and abeam and drew . The ship had a standard displacement of and displaced when fully loaded.〔 ''Conyngham'' had two Curtis steam turbines that drove her two screw propellers, and an additional steam turbine geared to one of the propeller shafts for cruising purposes. The power plant could generate and move the ship at speeds up to .〔 ''Conyngham''s main battery consisted of four ,〔〔The ''50'' denotes the length of the gun barrels; in this case, the gun is 50 calibers, meaning that the gun is 50 times as long as it is in diameter, in this case. The Mark number is the version of the gun; in this case, the ninth U.S. Navy design of the 4-inch/50 gun.〕 with each gun weighing in excess of .〔 The guns fired armor-piercing projectiles at . At an elevation of 20°, the guns had a range of .〔 ''Conyngham'' was also equipped with eight torpedo tubes. The General Board of the United States Navy had called for two anti-aircraft guns for the ''Tucker''-class ships, as well as provisions for laying up to 36 floating mines.〔 From sources, it is unclear if these recommendations were followed for ''Conyngham'' or any of the other ships of the class. 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 Conyngham (DD-58)」の詳細全文を読む スポンサード リンク
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