The Defense Casualty Analysis System database lists 865 U.S. service members wounded since the start of the war against Iran, which began on February 28, 2026, an increase of 98 reported casualties since August 2026

From the articlePentagon reveals more troops died during Iran war, raises toll to 21Also in Pentagon updates death toll of troops during Iran war to 21, Pentagon Again Increases Number of U.S. Casualties in Iran War, Pentagon admits to higher Iran war death toll as 21 Americans killed