U.S. Marine Corps Sgt. Alec C. Ward, a primary marksmanship

U.S. Marine Corps Sgt. Alec C. Ward, a primary marksmanship instructor with Formal Marksmanship Training Center, Headquarters Company, Weapons and Field Training Battalion, demonstrates the disassembly of the M16A4 service rifle to a platoon of recruits aboard Edson Range, Marine Corps Base Camp Pendleton, Calif., April 18, 2016. Ward taught a class on the maintenance of the M16A4 service rifle, which included disassembly of the weapon system. (U.S. Marine Corps photo by Lance Cpl. Erick J. ClarosVillalta/Released)