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USS Downes (FF-1070)
USS ''Downes'' (DE-1070/FF-1070) was the 19th in the series of the Knox class frigates. She was the third ship to be named for Commodore John Downes
==Design and description==
The ''Knox'' class design was derived from the modified to extend range and without a long-range missile system. The ships had an overall length of , a beam of and a draft of . They displaced at full load. Their crew consisted of 13 officers and 211 enlisted men.〔Friedman, pp. 357–60, 425〕
The ships were equipped with one Westinghouse geared steam turbine that drove the single propeller shaft. The turbine was designed to produce , using steam provided by 2 C-E boilers, to reach the designed speed of . The ''Knox'' class had a range of at a speed of .〔Gardiner, Chumley & Budzbon, p. 598〕
The ''Knox''-class ships were armed with a 5"/54 caliber Mark 42 gun forward and a single 3″/50 caliber gun aft. They mounted an eight-round ASROC launcher between the 5-inch (127 mm) gun and the bridge. Close-range anti-submarine defense was provided by two twin Mk 32 torpedo tubes. The ships were equipped with a torpedo-carrying DASH drone helicopter; its telescoping hangar and landing pad were positioned amidships aft of the mack. Beginning in the 1970s, the DASH was replaced by a SH-2 Seasprite LAMPS I helicopter and the hangar and landing deck were accordingly enlarged. Most ships also had the 3-inch (76 mm) gun replaced by an eight-cell BPDMS missile launcher in the early 1970s.〔Friedman, pp. 360–61; Gardiner, Chumley & Budzbon, p. 598〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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