Per bend Azure and Gules, a bend wavy Argent, to chief a taro leaf and fleur-de-lis in bend Or; on a canton of the last a cross of the second surmounted by a saltire of the first.
That for the regiments and Separate Battalions of the New York Army National Guard: On a wreath of the colors, Argent and Azure, the full-rigged ship "Half Moon" all Proper.
SEMPER PROCEDAMUS (Ever Onward).
The blue half of the shield indicates the service of the organization as Infantry, the taro leaf representing Spanish-American War service in Hawaii, the fleur-de-lis, World Wars I and II in France. The other half of the shield is red for Artillery. The red cross of St. George and the blue saltire in the canton indicate the Revolutionary War and Civil War services of the earlier component units.
The crest is that of the New York Army National Guard.
The coat of arms was originally approved for the 156th Field Artillery Regiment on 21 April 1936. It was redesignated for the 156th Field Artillery Battalion on 25 July 1942. It was redesignated for the 156th Armored Field Artillery Battalion on 30 June 1955. The insignia was redesignated for the 156th Artillery Regiment on 30 March 1962. It was redesignated for the 156th Field Artillery Regiment on 19 July 1972. It was amended to revise the symbolism on 16 October 1980.