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Underwater search and recovery is the process of locating and recovering underwater objects by divers. Most underwater search and recovery is done by professional divers as part of commercial marine salvage operations, military operations, emergency services, or law enforcement activities.〔''NOAA Diving Manual, 4th Edition'' CD-ROM prepared and distributed by the National Technical Information Service (NTIS)in partnership with NOAA and Best Publishing Company〕 Minor aspects of search and recovery are also considered within the scope of recreational diving. ==Professional search and recovery== The scope of professional search and recovery includes the following applications: *Marine archeology - search for artifacts of historical interest and importance, and where applicable the recovery of such artifacts for study. *Marine salvage - search for lost material of value and recovery thereof *Environmental protection - search for environmentally undesirable material and disposal thereof *Forensic S&R - search for and recovery of material relevant to police investigations *Emergency S&R - Search for and recovery of victims of accidents and disasters *Military S&R - Search and recovery related to military operations and material *Scientific S&R - search for objects of scientific interest, recovery of instrumentation and samples File:Nesconset FD Scuba rescue team 12434 1253208724628 259393 n.jpg|Preparing a public safety diver for the water File:Nesconset FD Scuba rescue team 14539 1260592349214 1061841085 797802 4015733 n.jpg|Parbuckling a casualty onto the boat 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 search and recovery」の詳細全文を読む スポンサード リンク
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