A gold color metal and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of a brick red wheel with four spokes saltirewise, interstices white, and gold hub with brick red center, bearing on the wheel rim the inscription "GOD AND COUNTRY" in gold letters, and in base below the wheel a black horizontal wavy bar terminating in a directional arrow on the left and right in front of two cotton plant slips with gold stems convexly arched and entwined in base, gold calyxes a white full bursting boll on each side partially over the wheel rim in base, and a gold leaf behind the rim on each side.
Brick red and yellow (gold) are colors used for the Transportation Corps. The wheel, emblem of mobility, refers to the motor transport mission of the organization; the gold hub signifies the depot and terminal operations, and the spokes simulate roads. The wavy bar with directional arrows alludes to the battalion's capability for evaluating traffic flow and determining the best routing of vehicles. The saltirewise spokes upon the white background additionally refer to the state flag of Alabama; the cotton plant slips connote the crest of the Alabama Army National Guard to which the unit is assigned at Eufaula, Alabama, noted for its cotton mills. The borders allude to the historical transportation affiliation.
The distinctive unit insignia was originally approved for the 1103d Transportation Battalion on 12 March 1971. It was redesignated for the 1103d Support Battalion on 24 October 1997.