Crew members of Coast Guard Port Security Unit (PSU) 313 from Everett, Wash., conduct a pre-mission gear inspection of tactical flotation systems for use during a Combined Joint Logistics Over-the-Shore Exercise (CJLOTS), April 16, 2013. PSU's deploy to conduct port security and defense operations in support of combatant commands by providing waterborne and land-based anti-terrorism force protection. (U.S. Coast Guard photo by Petty Officer 2nd Class Etta Smith/Released)