Superimposed on a Yellow cross cantoned with rays of Silver forming twelve points, a Gold annulet bearing on sinister side three heads of wheat and on dexter side three ears of corn, and surrounding an enameled disk divided per pairle Argent, Gules and Azure, surmounted by a Silver head of Abraham Lincoln. The overall dimension of the device is 1 1/8 inches (2.86cm) in height.
The distinctive unit insignia was originally authorized for the 33d Infantry Division Headquarters, Headquarters Detachment, Division Surgeon's Officer, Headquarters Special Troops and Division Headquarters Company on 12 May 1930. It was redesignated for the noncolor bearing units of the 33d Infantry Brigade on 29 November 1968. The insignia was redesignated effective 1 October 1997, for the 33d Support Group. It was redesignated for the 33d Infantry Brigade Combat Team on 6 October 2006.