Distinctive Unit Insignia. Description: A gold color metal and enamel device 1 3/16 inches (3.02 cm) in width overall consisting of a blue disc bearing a red machine nut centered over a gold sword, between two arching red wrenches all over a gold hemispherical gear wheel; below, with each end turned back and conjoined with the handles of the wrenches, a red motto scroll bearing in gold letters the words "FAITH AND COURAGE."
        Symbolism: Red (crimson) and light blue are the colors of Maintenance. The gear wheel, machine nut and wrenches reflect implements associated with the maintenance mission. The sword refers to the battalion's origin as Infantry. The blue disc surrounded by these elements alludes to the unit's original home, Tallassee, Alabama, which means "captured town" and suggests the Tallapoosa River which divides the town.
         Background: The distinctive unit insignia was approved for the 731st Maintenance Battalion on 2 November 1979.

Coat of Arms.
         Blazon:
                 Shield: Celeste (Light Blue), two arching wrenches in dexter and sinister Gules (Crimson) fimbriated Or encircles by a gearwheel superimposed by a sword of the like hilt Gules (Crimson) surmounted by a machine nut of the last.
                 Crest: That for regiments and separate battalions of the Alabama Army National Guard: From a wreath of colors Or and Celeste (Light Blue), a slip of cotton plant with full bursting boll, Proper.
                 Motto: FAITH AND COURAGE.
        Symbolism:
                 Shield: Crimson and light blue are the colors traditionally used by Maintenance units. The gear wheel, machine nut and wrenches reflect implements associated with the maintenance mission. The sword refers to the battalion's origin as Infantry. The blue field combined with the elements alludes to the unit's original home, Tallassee, Alabama, which means "captured town" and suggests the Tallapoosa River that divides the town.
                 Crest: The crest is that of the Alabama Army National Guard.
        Background: The coat of arms was approved for the 731st Maintenance Battalion on 28 June 2001.