Motor transportation Marines with 3rd Battalion, 25th Marine Regiment, go over delivery routes before dropping off chow to units in the field during Exercise Northern Strike at Camp Grayling, Mich., Aug. 7, 2018. Camp Grayling, the largest National Guard center in the country covering 147,000 acres, offers many large artillery, mortar, tank ranges and maneuver courses. (U.S. Marine Corps photos by Cpl. Niles Lee)