Shield
Azure, on a chevron raguly to chief Argent, between a fleur-de-lis and a lion rampant Or, a pale of the field.
Crest
That for the regiments and separate battalions of the Army Reserve: On a wreath of the colors Argent and Azure 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.
Motto
WE DO.
The shield is blue for Infantry. The chevron broken in the middle with the upper side raguly represents the broken Hindenburg Line; the fleur-de-lis symbolizes service in France; and the lion rampant, service in Belgium.
The coat of arms was originally approved for the 363d Regiment Infantry on 10 Feb 1927. It was redesignated for the 363d Regiment on 24 Jan 1962.