121113-N-LX651-009 COBAN, Guatemala (Nov. 13, 2012) Seabees assigned to Navy Mobile Construction Battalion (NMCB) 27 prepare to pour a concrete slab at a Guatemalan military base as part of U.S. Southern Command's global peacekeeping operations initiative. NMCB 27 is deployed throughout South and Central America in support of U.S. Naval Forces Southern Command and U.S. 4th Fleet peacekeeping, multinational partnership, and humanitarian assistance missions. (U.S. Navy photo by Lt. j.g. Keith Ferreira/Released)