A silver colored metal and enamel device 1 1/4 inches (3.18cm) in height overall, consisting of a blue four-pointed star bearing a silver fleur-de-lis enclosed by four silver conjoined "A's" on a silver four-pointed star all encircled in base a blue doubled silver and inscribed "FIRME ET FIDELI" (Steadfast and Faithfully) in silver letters.
The design is based upon the fours "As" of Alabama enclosing the silver fleur-de-lis symbolic of the regiment's honors earned in France in World War I, all upon a blue background representing infantry.
The distinctive unit insignia was approved on 11 Jan 1943.