20-year-old Lance Cpl. Erwin Diaz, from Los Angeles, a bulk fuel specialist with Bulk Fuel Company, 7th Engineer Support Battalion, 1st Marine Logistics Group, inspects fuel valves during a field training exercise at Camp Pendleton, Calif., Oct. 15. Bulk fuel specialists constructed a 320,000-gallon storage facility to support the field exercise. - 20-year-old Lance Cpl. Erwin Diaz, from Los Angeles, a bulk fuel specialist with Bulk Fuel
Company, 7th Engineer Support Battalion, 1st Marine Logistics Group, inspects fuel valves during a field training exercise at Camp Pendleton, Calif., Oct. 15. Bulk fuel specialists constructed a 320,000-gallon storage facility to support the field exercise.