ShieldGules, two fleurs-de-lis Or below an engineer symbol Argent.
CrestThat for the regiments and separate battalions of the Army Reserve: On a wreath of the colors Argent and Gules, 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.
MottoCITIZEN, SOLDIER, UNITED.
ShieldScarlet and white are the colors of the Corps of Engineers. The white bridge (military symbol for Engineers) is descriptive of the work performed by the Battalion. The two fleurs-de-lis represent the campaigns of World War II (Rhineland and Central Europe).
CrestThe crest is that of the United States Army Reserve.
The coat of arms was approved on 30 January 1961.