150211-N-KK081-837 Camp Pendleton, Calif. (Feb. 11, 2015) Sailors, attached to Amphibious Construction Battalion (ACB) 1, monitor troop movements from a reconnaissance position at night during Field Training Exercise (FTX) 2015. FTX 2015 gives ACB’1 Sailors the opportunity to practice and apply Seabee Combat Warfare skills, provide host nation security support, and stay mission ready in a simulated environment intended to replicate in-country operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Eric Chan/Released)