The Department of Defense has identified 1,971 American service members who have died as a part of the Afghan war and related operations. COFFEY, Keaton G., 22, Cpl., Marines; Boring, Ore.; First Marine Expeditionary Force. HERNANDEZ, Vilmar Galarza, 21, Specialist, Army; Salinas, Calif.; Second Infantry Division. MILLER, Cale C., 23, Pfc., Army; Overland Park, Kan.; Second Infantry Division. WARREN, Eric D., Hospitalman, Navy; Shawnee, Okla.; First Marine Division.