Coast Guard Cmdr. Daniel Clark (CENTER), commanding officer for Port Security Unit (PSU) 313 of Everett, Wash., briefs his crew about use-of-force procedures for a Combined Joint Logistics Over-the-Shore Exercise (CJLOTS), April 15, 2013. PSU 313 along with Republic of Korea military forces provided 24-hour waterside and shore-side force protection during CJLOTS. (U.S. Coast Guard photo by Petty Officer 2nd Class Etta Smith/Released)