U.S. 5TH FLEET AREA OF OPERATIONS (Dec. 27, 2018) Construction Mechanic 3rd Class Luke Swyers, from Clarion, Pa., and assigned to Naval Mobile Construction Battalion (NMCB) 1, inspects the oil dipstick of a CAT 420 backhoe during construction operations. NMCB-1 is forward-deployed to execute construction, humanitarian and foreign assistance, and theater security cooperation in the U.S. 5th Fleet area of operations. (U.S. Navy photo by Utilitiesman 2nd Class Mason Rumble/Released)