Cpl. Jacob America, a machine gunner with Bravo Company, 1st Battalion, 24th Marine Regiment, 4th Marine Division, fires at his target with an M4 carbine rifle during a table five short-distance range as part of their annual training on Camp Grayling, Mich., Aug. 14, 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)

Lance Cpl. Israel Presteguin, a rifleman with Bravo Company, 1st Battalion, 24th Marine Regiment, 4th Marine Division, engages his target with an M4 carbine rifle during a table five short-distance range as part of their annual training on Camp Grayling, Mich., Aug. 14, 2020. The training and readiness manual helps plan, execute and evaluate training to improve Marines’ proficiency. (U.S. Marine Corps photo by Lance Cpl. Leslie Alcaraz)

Lance Cpl. Logan Andre, a rifleman with Bravo Company, 1st Battalion, 24th Marine Regiment, 4th Marine Division, fires at his target with an M27 Infantry Automatic Rifle during a table five short-distance range as part of their annual training on Camp Grayling, Mich., Aug. 14, 2020. The training and readiness manual ensures the Marine Corps will continue to improve its combat readiness by training more efficiently and effectively. (U.S. Marine Corps photo by Lance Cpl. Leslie Alcaraz)