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USS ''Arkansas'' (BB-33) was a dreadnought battleship, the second member of the , built by the United States Navy. She was the third ship of the US Navy named in honor of the 25th state, and was built by the New York Shipbuilding Corporation. She was laid down in January 1910, launched in January 1911, and commissioned into the Navy in September 1912. ''Arkansas'' was armed with a main battery of twelve guns and capable of a top speed of . ''Arkansas'' served in both World Wars. During the First World War, she was part of Battleship Division Nine, which was attached to the British Grand Fleet, but she saw no action during the war. During the interwar years, ''Arkansas'' performed a variety of duties, including training cruises for midshipmen and goodwill visits overseas. Following the outbreak of World War II, ''Arkansas'' conducted Neutrality Patrols in the Atlantic prior to America's entry into the war. Thereafter, she escorted convoys to Europe through 1944; in June, she supported the invasion of Normandy, and in August she provided gunfire support to the invasion of southern France. In 1945, she transferred to the Pacific, and bombarded Japanese positions during the invasions of Iwo Jima and Okinawa. After the end of the war, she ferried troops back to the United States as part of Operation Magic Carpet. ''Arkansas'' was expended as a target in Operation Crossroads, a pair of nuclear weapon tests at Bikini Atoll in July 1946. == Construction == (詳細はNew York Shipbuilding in Camden, New Jersey. She was launched on 14 January 1911, after which fitting-out work was effected. The ship was completed by September 1912, and was commissioned into the US Navy on 17 September at the Philadelphia Navy Yard, under the command of Captain Roy C. Smith. The ship was long overall and had a beam of and a draft of . She displaced as designed and up to at full combat load. The ship was powered by four-shaft Parsons steam turbines and twelve coal-fired Babcock & Wilcox boilers rated at , generating a top speed of . The ship had a cruising range of at a speed of . The ship was armed with a main battery of twelve 12 inch/50 Mark 7 guns in six twin gun turrets on the centerline, two of which were placed in a superfiring pair forward. The other four turrets were placed aft of the superstructure in two superfiring pairs. The secondary battery consisted of twenty-one 5-inch /51 guns mounted in casemates along the side of the hull. The main armored belt was thick, while the gun turrets had thick faces. The conning tower had thick sides. 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 Arkansas (BB-33)」の詳細全文を読む スポンサード リンク
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