Or, between two lances in saltire Proper with guidons Gules in pale a laurel wreath Vert enclosing five fleur-de-lis, one, three and one, an a mullet of the third.
That for the regiments and separate battalions of the Massachusetts Army National Guard: On a wreath of the colors Or and Gules, a dexter arm embowed clothed Blue and ruffed White Proper, the hand grasping a broad sword Argent, the pommel and hilt Or.
Union, Liberty, and the Laws.
The shield is yellow for Cavalry. The two crossed guidons are those reputed to have been presented to Governor Edward Everett to the National Lancers. The motto was also that of the National Lancers. The five fleurs-de-lis represent the five engagements of the organization during World War I. The red mullet was the distinguishing symbol used by the 102d Machine Gun Battalion during World War I.
The crest is that of the Massachusetts Army National Guard.
The coat of arms was originally approved for the 110th Cavalry Regiment on 13 June 1929. It was redesignated for the 180th Field Artillery Regiment on 23 December 1940. It was redesignated for the 180th Field Artillery Battalion on 9 December 1942. The insignia was rescinded on 26 July 1961.