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The ''Ormsby''-class attack transport was a class of US Navy attack transport that saw service in World War II. Like all attack transports, the purpose of the ''Ormsby''s was to transport troops and their equipment to hostile shores in order to execute amphibious invasions using an array of smaller assault boats integral to the attack transport itself. Like all the attack transports, the ''Ormsby'' class was well armed with antiaircraft weaponry to protect itself and its cargo of troops from air attack in the battle zone. ==History== The ''Ormsby'' class began as a class of Navy transport ships (classification AP). Like many other transports, they were redesignated attack transports (APA) on 1 February 1943, the date on which the Navy formalized its separate classification of transport vessels into ordinary transports and attack transports. The three ships of the ''Ormsby'' class were based on the Maritime Commission's ubiquitous Type C2 merchant/auxiliary hull (specifically, the C2-S-B1 type). This was a pre-war merchant ship hull type which had been specifically designed with prospective Naval auxiliary service in mind. The three ships of the ''Ormsby'' class were laid down in rapid succession in July–August 1942 by the Moore Dry Dock Company of Oakland, California, and commissioned within a month of one another in June–July 1943. The period of time from the laying of the keels to commissioning therefore, was about 12 months for each ship - a fairly average timespan for C-Type vessels converted to warships. Each of the ships was armed with two 5"/38 caliber dual-purpose guns, two Bofors 40mm guns, and from 16 to 22 20mm guns. The 20mm gun would eventually prove to be of limited use against air attack and later attack transport classes were fitted with more 40mm weapons instead. The ships had a good balance of troop and cargo capacity. 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「Ormsby-class attack transport」の詳細全文を読む スポンサード リンク
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