Distinctive Unit Insignia. Description: A Gold color and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of a shield blazoned: Gules, on a fess abased dancetté to chief and wavy to base paly of six Or and Sable a bend counterchanged, in chief a bayonet and a pick, handle to chief saltirewise Argent. Attached below the shield a Gold scroll inscribed "PRAEVIUS" in Red letters.
             Symbolism: The dancetté and wavy partition lines of the fess are symbolic of the mountainous and shore areas of Maryland, in which places most of the companies of the battalion are located. The design on the fess is taken from the Seal of Maryland. The bayonet and pick represent Engineers.
             Background: The distinctive unit insignia was approved on 8 June 1954.

Coat of Arms.
             Blazon:
                     Shield: Gules, on a fess abased dancetté to chief and wavy to base paly of six Or and Sable a bend counterchanged, in chief a bayonet and a pick, handle to chief saltirewise Argent.
                    Crest: That for the regiments and separate battalions of the Maryland Army National Guard: On a wreath of the colors (Or and Gules) a cross bottony per cross quarterly Gules and Argent.
                     Motto: PRAEVIUS (Going Before).
             Symbolism:
                     Shield: The dancetté and wavy partition lines of the fess are symbolic of the mountainous and shore areas of Maryland, in which places most of the companies of the battalion are located. The design on the fess is taken from the Seal of Maryland. The bayonet and pick represent Engineers.
                     Crest: The crest is that of the Maryland Army National Guard.
                     Background: The coat of arms was approved on 8 June 1954.