Marines from 4th Tank Battalion, 4th Amphibious Assault Battalion and India Company, 3rd Battalion, 25 Marine Regiment, go over the scheme of maneuver during a mechanized attack range at Camp Grayling, Mich., Aug. 9, 2018. 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 Cpl. Niles Lee)