English: Coat of Arms (CoA) of the 397th Engineer Battalion of the United States Army Reserve.

Blazon Per fess dancetté of four Argent and Gules, on a canton of the second a transit head of the first and in base a bayonet fesswise of the like.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.ESSAYONS TOUT DE SUITE (We Shall Do Immediately).

Symbolism Red and white are the colors used for Engineers. The red points allude to the mountainous terrain of Luzon where the Battalion fought in World War II. The transit head is an item of engineering equipment and is used with the bayonet to indicate the engineering-combat function of the Battalion. The canton represents their descent from the parent regiment, the 353d Engineers.The crest is that of the United States Army Reserve.

Background

The coat of arms was approved on 31 January 1961.