Distinctive Unit Insignia of the III Corps (United States).

DescriptionA gold color metal and enamel device 1 5/32 inches in height consisting of a yellow enamel shield on which a blue enamel caltrop with one point up; within the center of the caltrop a white enamel equilateral triangle with one point down.SymbolismYellow alludes to Armor. The caltrop is a representation of the shoulder sleeve insignia of the III Corps. Blue and white are the colors used for the Corps echelon.BackgroundThe distinctive unit insignia was approved on November 17, 1970.
Own work, after Image:3 Corps Distinctive Unit Insignia.png.