Soldiers of the Special Troops Battalion, 300th Sustainment Brigade, wait for the shoulder sleeve insignia - former wartime service ceremony to begin at Camp Arifjan, Kuwait, Feb. 28, 2019. The shoulder sleeve insignia - former wartime service, or combat patch, is worn on the right shoulder to denote U.S. Army service in a combat zone. (U.S. Army Reserve photo by Capt. Jerry Duong)