A boat crew from U.S. Coast Guard Port Security Unit (PSU) 313, from Everett, Wash., conducts a security patrol in a 4th generation, 32-foot transportable security boat (TSB) off the coast of Dogu beach in support of exercise Foal Eagle, April 21, 2013. This is the first time since 2006 that a Coast Guard PSU has participated in Korean Theater of Operations (KTO). (U.S. Coast Guard photo by Petty Officer 2nd Class Etta Smith/Released)