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USS Washington (BB-47)
USS ''Washington'' (BB-47), a , was the second ship of the United States Navy named in honor of the 42nd state. Her keel was laid down on 30 June 1919 at Camden, New Jersey, by the New York Shipbuilding Corporation. She was launched on 1 September 1921, sponsored by Miss Jean Summers, the daughter of Congressman John W. Summers of Washington.
On 8 February 1922, two days after the signing of the Washington Naval Treaty for the Limitation of Naval Armaments, all construction work ceased on the 75.9%-completed superdreadnought. She was sunk as a gunnery target on 26 November 1924 by the battleships and .
== Design ==
(詳細はbeam of and a draft of . She displaced tons. The ship's primary armament consisted of eight 16-in 45-caliber guns in four twin gun turrets. This was augmented by a secondary battery of 20 5-in guns. The ship was also armed with eight 3-in antiaircraft guns.
The new underwater protection scheme featured five compartments separated by bulkheads on either side of the ship: an outer empty one, three filled, and an empty inner one. In addition, the eight boilers were moved from their location in previous designs and placed in separate spaces to port and starboard of the turbo-electric power plant, forming another line of defense; the ship could still sail even if one or even an entire side of boilers was incapacitated due to battle damage. This new arrangement forced the chief aesthetic change between the ''New Mexico''s and ''Tennessee''s; the single large funnel of the former was replaced by two smaller funnels in the latter.
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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