The Surf Rescue squad board the Engineer Research and Development Center (ERDC) Coastal and Hydraulics Laboratory (CHL) Lighter, Amphibious, Resupply, Cargo (LARC) after civil engineering technician Mark Preisser saves three swimmers from rip current in the Atlantic Ocean near Duck, N.C. Photo provided by CHL.

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Photo by: US Army Corps of Engineers |  VIRIN: 120707-A-BG264-001.JPG