ShieldArgent, on a fess Vert seven gouttés d'eau four and three, between three gouttés d'olive in chief and seven in base, four and three.
CrestThat for the regiments and separate battalions of the Army Reserve: On a wreath of the colors Argent and Vert 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.
MottoNI GA DA E SA SDI (Onward).
ShieldThe shield is white (silver) for Infantry; the green fess indicates that the unit lies in the oil belt; the gouttés resemble drops of oil seven drops on the fess, three above and seven below, give a readable figure "377," the number of the Regiment.
CrestThe crest is that of the United States Army Reserve.
The coat of arms was originally approved for the 377th Infantry Regiment on 14 July 1925. It was redesignated for the 377th Regiment on 24 January 1962.