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Australian Defence Vessel (ADV) ''Ocean Shield'' is a ship of the Royal Australian Navy (RAN). Ordered by DOF Subsea as the offshore support vessel MSV ''Skandi Bergen'', the ship was laid down by STX OSV. During construction, the vessel was sold to the RAN in March 2012. Renamed ''Ocean Shield'', the ship entered service in June 2012 as a civilian-crewed humanitarian and disaster relief vessel, operating in support of the RAN's amphibious warfare vessels.〔 In 2016, after the ''Canberra''-class landing helicopter dock ships (LHDs) enter service, ''Ocean Shield'' will be transferred to the Australian Customs and Border Protection Service to replace sister ship ''Ocean Protector''. ==Construction and acquisition== The offshore support vessel was ordered on 10 December 2010 by DOF Subsea, from STX OSV.〔MarineLog, ''DOF Subsea orders OSCV to replace newbuild sold to Australia''〕 The ship, to be named ''Skandi Bergen'', was laid down at STX OSV's shipyard in Tulcea, Romania on 11 April 2011, with yard number 771.〔 The hull was transferred to the company's Norwegian facility at Søviknes for fitting out.〔 She has a displacement of 6,500 tonnes, a length overall of , a beam of , a depth of , and a draught of .〔 The propulsion system consists of two Rolls-Royce Contaz 35 azimuth thrusters at the stern, two tunnel thrusters at the bow, plus a , retractable azimuth thruster, also near the bow.〔〔Royal Australian Navy, ''ADV Ocean Shield''〕 Maximum speed is .〔 Power is generated by four Wärtsilä 6L32 medium speed diesel generators.〔〔 On 19 March 2012, the Australian government announced the purchase of ''Skandi Bergen'' in a group of Defence acquisitions.〔 The ship cost A$130 million: the price did not include the vessel's subsea equipment.〔〔 This equipment was retained by the shipyard for installation in a replacement vessel ordered by DOF Subsea, with a 60-tonne SWL crane fitted instead to ''Skandi Bergen''.〔〔〔Navy News, ''New Shield has arrived''〕 Fitting out was completed on 22 May 2012, and on 3 June 2012, the ship's new name, ''Ocean Shield'', was announced.〔〔 Although operated as part of the RAN, ''Ocean Shield'' carries a civilian crew, and uses the prefix "Australian Defence Vessel" (ADV), instead of being commissioned and receiving the HMAS prefix.〔Offices of the Minister for Defence and Minister for Defence Materiel, ''Ocean Shield the Navy's newest humanitarian and disaster relief vessel''〕〔 The ship will be used to transport equipment and personnel as part of humanitarian and disaster relief operations.〔 ''Ocean Shield'' will supplement the capability of the amphibious warfare ships and until the ''Canberra''-class ships enter service.〔〔 The ship has accommodation for around 100 people, and is equipped with a helipad, affixed to the bow, above the bridge.〔 She also has of deck area for cargo and equipment.〔 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「ADV Ocean Shield」の詳細全文を読む スポンサード リンク
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