Shield
Gules (Crimson), palewise in pale a pheon point to chief Or, and in dexter chief a vol of the last bearing a gunstone.
Crest
From a wreath Or and Gules (Crimson), a wreath of palm Vert banded at the stems Gules and two scimitars saltirewise hilts up superimposed by a mullet of the first bearing a hurt charged with a stylized Spanish caravel Proper.
Motto
PERITIA COGNITO (Skill and Knowledge).
Shield
Crimson and yellow are the colors of the Ordnance Corps, and the winged cannon ball indicates Airborne Ordnance. Both refer to the present unit's origin as the 782d Airborne Ordnance Battalion. The pheon, a crossbow arrowhead, symbolizes the assault landing in Normandy and the Rhineland, in which the 782d Maintenance Battalion, an ancestor of the present unit, participated during World War II.
Crest
The blue disk alludes to the islands of the Caribbean, Dominican Republic and Grenada and the unit's service there. The caravel recalls that Grenada was discovered by Columbus as were the surrounding islands. The points on the star honor the unit's five decorations and service in five wars. The palm wreath tied in red, is the color of valor recalling the Meritorious Unit Commendation. The two Southwest Asia campaigns are represented by the scimitars; gold is emblematic of honor and high achievement. The palm highlights the tropical nature of Vietnam and the Caribbean.
The coat of arms was originally approved for the 782d Airborne Ordnance Battalion on 20 September 1954. It was redesignated for the 782d Maintenance Battalion on 4 August 1958. It was redesignated fort he 782d Support Battalion effective 16 April 1994, with blazon and symbolism revised. The insignia was amended to include a crest on 28 August 1997.