Union army corps

direct reporting unit and U.S. Army's branch for military engineering

military formation in the American Civil War

branch of the Union Army during the American Civil War

unit of the Union Army

formation in the Union Army during the American Civil War

corps badges in the American Civil War

corps-sized formation of the Union Army

corps of the Union Army during the American Civil War

formation of the Union Army during the American Civil War

unit in the American Civil War