Tenné, in pale two smoke puffs Argent charged with an eagle displayed and a horse rampant Sable above a bonfire issuant from base of the second.
That for the regiments and separate battalion of the Army Reserve: On a wreath of the colors, Argent and Tenné, 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 colors white and orange are for Signal Corps. The smoke puffs above the flames symbolize the Indian method of signal communication. The horse, from the arms of the province of Naples and the eagle from that of Rome indicate the two battle honors awarded for service in those areas.
The coat of arms was approved on 29 May 1957.