The Department of Defense has identified 4,394 American service members who have died since the start of the Iraq war and 1,085 who have died as a part of the Afghan war and related operations. It confirmed the deaths of the following Americans this week:

Iraq

THEOBALD, Steve M., 53, Sgt., Army; Goose Creek, S.C.; 287th Transportation Company.

Afghanistan

KLUSACEK, Erick J., 22, Sgt., Army; Calcium, N.Y.; 101st Airborne Division.

SHANFIELD, Derek L., 22, Sgt., Marines; Hastings, Pa.; Second Marine Division.

WALTERS, Zachary J., 24, Sgt., Marines; Palm Coast, Fla.; Second Marine Division.