ShieldPer saltire Buff and Gules, a pale wavy Azure fimbriated Argent, in fess overall a plate charged with a battle-axe of the second.
CrestThat 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.
ShieldBuff and scarlet are the colors for Support. World War II honors awarded to elements of the Battalion are indicated by the wavy blue stripe for the Rhineland Campaign, and the central white disc bearing a battle-axe for the Central Pacific Campaign. The Infantry colors, blue and white, together with the battle-axe which connotes a "7" and the disc "0" also denote assignment to the historic 70th Infantry Division. The saltire partition symbolizes the support mission of the Battalion. Additionally, the vertical stripe (1), the battle-axe (7), and the disc (0), allude to the numerical designation of the organization.
CrestThe crest is that of the United States Army Reserve.
The coat of arms was approved on 13 November 1972.