CAMP GRAYLING, Mich. – U.S. Marines with Charlie Company, 1st Battalion, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve provide security at a multi-purpose range complex within the Camp Grayling Joint Maneuver Training Center, Michigan on Aug. 1, 2017. Reserve Marines conducted reinforced platoon attacks to suppress enemy positions in order to breach and clear obstacles and allow movement toward the objective during Exercise Northern Strike 17. Exercise Northern Strike is a National Guard Bureau-sponsored training exercise that unites service members from multiple branches, states and coalition countries to conduct combined ground and air combat operations. (U.S. Marine Corps photo by Lance Cpl. Imari J. Dubose/Released).