Shield
Per bend Argent and Gules, a pickaxe bendwise counterchanged, in sinister chief a fleur-de-lis and in dexter base a stone war head of the like.
Crest
That 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.
Motto
NUMQUAM DEORSUM (Never Down or Never Downwards).
Shield
Scarlet and white are the colors used for the Corps of Engineers. The division of the shield into two parts refers to the dual function of the Engineers as an arm and a service. The pickaxe alludes to the missions of the Battalion in construction and demolition. The Battalions battle honors, awarded for service in World War II are represented by the fleur-de-lis for the European Theater and a stone war head for the Pacific Theater.
Crest
The crest is that of the United States Army Reserve.
The coat of arms was approved on 16 April 1958. It was amended to change the spelling of the motto on 17 June 1971.