Shark Marine Technologies Inc of St.Catharines, Ontario, Canada, delivered a Shark Marine Dual Frequency side-scan sonar to the Bear Search and Rescue Foundation. Shark Marine also provided a days worth of hands-on instruction for attending members of the US Coast Guard, Auxiliary Coast Guard, NY Fire Department, and numerous other local search and rescue personnel.The Shark Marine Dual Frequency side-scan is used for underwater locating of sunken objects or drowning victims. See full details and photos on linked article.