Per fess ermines and Gules, on a fess wavy Argent a bar wavy Azure, issuing from base a rising sun of the third.
That for the regiments and separate battalions of the North Dakota Army National Guard: On a wreath of the colors Argent and Gules, a sheaf of three arrows Argent armed and flighted Gules behind a stringed bow fessways Or with grip of the second (Gules).
OKICIZE EL WAKAGAPI (Builders In Battle).
Scarlet and white are used for Engineers. The Battalion's World War II service in European Theater is represented by the field of ermine frequently used in European coats of arms, and by the wavy partition linesheraldic representation of water. The historical descent of the Battalion from the 164th Infantry is represented by the sun in base; the sun being taken from the coat of arms of that Regiment.
The crest is that of the North Dakota Army National Guard.
The coat of arms was approved on 23 July 1957. It was amended to revise the symbolism on 29 October 1979.