Coast Guard Petty Officer 1st Class Mike Demopoulos (second from right) references a nautical chart during a pre-mission brief for coxswains from Port Security Unit (PSU) 313, of Everett, Wash., during a Combined Joint Logistics Over-the-Shore Exercise (CJLOTS), April 18, 2013. A PSU is designed to be deployable within 96 hours after being recalled, operational within 24 hours of deployment, and self-sufficient for 30 days upon arrival. (U.S. Coast Guard photo by Petty Officer 2nd Class Etta Smith/Released)