CAMP KINSER, Japan (Oct. 15, 2020) Jeremy Gray, a maintainer with Marine Depot Maintenance Command (MDMC) Calibration Contract Team (CCT), demonstrates proper machine calibration as part of a virtual instruction video program for Marines with 3rd Maintenance Battalion, 3rd Marine Logistics Group (MLG) at Camp Kinser, Okinawa, Japan, Oct. 15, 2020. CCT contractors, a deployable capability of MDMC, are responsible for maintaining calibration and functionality of Marine Corps equipment and machinery in support of the Fleet Marine Force. 3rd MLG, based out of Okinawa, Japan, is a forward deployed combat unit that serves as III Marine Expeditionary Force's comprehensive logistics and combat service support backbone for operations throughout the Indo-Pacific area of responsibility. (U.S. Marine Corps photo by Lance Cpl. Alpha Hernandez)