Shield
Quarterly, Crimson and Buff, on a fess rayonn to chief Or, a lion passant guardant of the first.
Crest
That for regiments and separate battalions of the Maryland Army National Guard: From a wreath Or and Crimson, a cross bottony per cross quarterly Gules and Argent.
Motto
SUPPORT THE BATTLE.
Shield
Crimson and yellow are the colors used for Ordnance. Buff is the color of the Quartermaster Corps and indicates the unit's origin and service as a Quartermaster company. The rayonn partition line signifies the intense fire power produced by the Ordnance material. The lion, suggested by the coat of arms of Normandy, commemorates the organization's special decoration for extraordinary heroism during the Normandy assault landing. The four divisions of the shield refer to the battalion's battle honors for service in Europe during World War II.
Crest
The crest is that of the Maryland Army National Guard.
The coat of arms was originally approved for the 729th Ordnance Battalion, Maryland National Guard on 24 June 1954. It was redesignated for the 729th Maintenance Battalion, Maryland Army National Guard on 7 February 1967. It was cancelled on 11 July 1972. It was reinstated and redesignated for the 297th Maintenance Battalion, Maryland Army National Guard on 29 June 1987 and cancelled the same date. The coat of arms was reinstated and redesignated for the 1297th Support Battalion on 17 March 1997.