180402-N-ZH657-3265 CAMP COVINGTON, Guam (April 2nd, 2018) Equipment Operator Constructionman Timothy Sheehan, assigned to Naval Mobile Construction Battalion (NMCB) 11, Detachment Guam, replaces a battery on a 55 ton trailer. NMCB-11 is forward deployed to execute construction, humanitarian and foreign assistance, and theater security cooperation in the 7th Fleet area of operations. (U.S. Navy photo by Construction Mechanic 2nd Class Brittney Ebbert)