Shield
Argent, on a pale potenty Purpure a sword of the first, grip Gules enfiling a rolled parchment Proper Argent garnished with a seal and ribbon Gules.
Crest
That for the regiments and separate battalions of the Army Reserve: From a wreath Argent and Purpure, the Lexington Minute Man Proper. The statue of the Minute Man, Captain John Parker (H.H. Kitson, Sculptor), stands on the common in Lexington, Massachusetts.
Motto
SUPPORTING THE VICTORY.
The colors purple and white are traditionally associated with Civil Affairs units. The sword and scroll are derived from the Civil Affairs insignia of branch and represent the military and civil functions of the unit. The interlocked sections of the pale potenty symbolize the process of transition and transfer of functions and the mission of the Battalion. Red stands for courage and resolution.
The coat of arms was approved on 26 Jan 1993.