Shield
Purpure, two quills salterwise and in chief a sphere Argent gridlined of the field, overall a sword palewise Or.
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
ADVOCATUS HUMANITATIS (Defender of Humanity).
Purple and white are the colors traditionally associated with Civil Affairs units. The globe is symbolic of the unit's worldwide mission and capabilities. The quills are crossed to denote strength and support; they represent the unit's military government administrative functions, while the sword depicts military preparedness.
The coat of arms was approved on 28 Apr 1993.