ShieldArgent, a palmetto tree issuant from an oak tree eradicated with branches lopped off barwise, both Proper, a bordure Azure.
CrestThat for the regiments and separate battalions of the South Carolina Army National Guard: From a wreath Argent and Azure, upon a mount Vert a palmetto tree Proper charged with a crescent Argent.
MottoCONSTANS ANIMIS (Steadfast Of Purpose).
ShieldThe service of the former organization, the 218th Infantry, is indicated by the colors white and blue which represent the old and present colors for Infantry. The palmetto and dead oak tree are also prominently featured in the state seal.
CrestThe crest is that of the South Carolina Army National Guard.
The coat of arms was originally approved for the 218th Infantry Regiment on 27 March 1953. It was rescinded (cancelled) on 20 July 1960. It was redesignated with the blazon and symbolism revised for the 218th Regiment on 2 June 1997.