Marines with Bulk Fuel Company, 9th Engineer Support Battalion, 3rd Marine Logistics Group, unload a tank chest during fuel support operations training Oct. 2, 2018 at Camp Hansen, Okinawa, Japan. The chests held collapsible fuel bladders and gate valves that are used to assemble fuel sites. The 9th ESB Marines assembled fuel sites at Camp Hansen to practice for fueling support operations during upcoming exercises and deployments. (U.S. Marine Corps photo by Lance Cpl. Armando Elizalde)