Lance Cpl. Roeen Lian, a rifleman, left, hands ammunition to Cpl. Dylan Rutan, a machine gunner, both with Bravo Company, 1st Battalion, 24th Marine Regiment, 4th Marine Division, during their annual training on Camp Grayling, Mich., Aug. 12, 2020. The training and readiness manual gives guidance on the equipment, ammunition, ranges and support requirements to plan and execute effective training to increase Marines’ lethality. (U.S. Marine Corps photo by Lance Cpl. Leslie Alcaraz)