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:''See UIS (disambiguation) and IAS (disambiguation) for other meanings of these initials.'' :''For other diver-detector sonars, see . Underwater Port Security System (UPSS) was developed for the United States Coast Guard and the Maritime Safety and Security Teams (MSSTs) as an anti-frogman technique. It includes the Underwater Inspection System (UIS) and the Integrated Anti-Swimmer System (IAS). Recent developments in terrorism have highlighted the need for underwater anti-frogman security. The UPSS is made in the United States and is reported to be compact enough fit in a large suitcase. The Coast Guard unveiled the system in February 2005 at the Coast Guard Integrated Support Command in San Pedro, California. ==Ship Protection System== The Ship Protection System or SPS is a ship based underwater threat detection system manufactured by FarSounder, Inc. Based on FarSounder's 3D forward looking sonar, their SPS offers 360 degree coverage of underwater threats to vessels on anchor or at dock. This is a commercial product suitable for mega yachts. 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「Underwater Port Security System」の詳細全文を読む スポンサード リンク
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