Description: Gules, in fess a goldenrod flower slipped and foliated and a Lorraine cross Or; on a chief Azure a mount throughout of the second.That for the regiments and separate battalions of the Army Reserve: On a wreath of the colors Or 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.
The shield is red for Artillery. The goldenrod shows the unit's association with the 89th Division which was organized in Nebraska after World War I. The Lorraine cross represents service in the Lorraine sector during World War I. The blue chief is indicative of the three states from which the personnel were originally drawn in 1917, namely Colorado, Missouri and South Dakota.
The crest is that of the U.S. Army Reserve.
The coat of arms was originally approved for the 341st Field Artillery Regiment on 22 May 1926. It was redesignated for the 341st Field Artillery Battalion on 28 September 1942. It was redesignated for the 89th Regiment on 29 January 1962. The insignia was amended to include in the symbolism the states from which personnel were originally drawn on 6 September 1985.