Cpl. Phillip M. Tuente, a mortarman with Weapons Company, 1st Battalion, 24th Marine Regiment, 4th Marine Division, Marine Forces Reserve, signals for a stake adjustment during Exercise Arctic Eagle at Camp Grayling, Mich., April 24, 2015. Mortarmen use stakes to help adjust the aim of the mortar before firing down range. (U.S. Marine Corps photo by Cpl. Ian Leones/Released)