Upon a blue shield 3 inches (7.62cm) in length and 2 3/8 inches (6.03cm) in width, four crampons crossed and interlaced saltirewise within an orle in yellow 1/8 inch (.32cm) with a border 3/16 inch (.48cm) in red.
The colors introduced in this insignia are those of the main arms comprising the Corps, namely, Infantry, Artillery and Cavalry, while the crampons represent the gripping and tenacious hold that the Corps will display in its missions; the figures conveying the impression of the number of the Corps.
The shoulder sleeve insignia was authorized on 4 Dec 1943. On 11 Oct 1957 the insignia was redesignated for the XX U.S. Army Corps. A distinctive unit insignia was not approved for the XX U. S. Army Corps. (TIOH Drawing Number A-1-75)