Azure, on a bend Or two Lorraine Crosses of the field; in dexter base a seven pointed star Argent.
That for the regiments and separate battalions of the Missouri Army National Guard: From a wreath Or and Azure, a grizzly bear rampant Proper.
SIEMPRE LISTO (Ever Ready).
The service of the former organization, the 140th Infantry Regiment, is indicated by the blue shield which represents Infantry. The bend is taken from the arms of Lorraine, and the two Lorraine Crosses are for the two major engagements in which the organization participated during World War I. The seven pointed star is the Corps Badge of the Seventh Corps, Second Division, during the Spanish-American War.
The crest is that of the Missouri Army National Guard.
The coat of arms was originally approved for the 140th Infantry Regiment on 17 May 1927. It was redesignated with blazon and symbolism revised for the 140th Missouri Regiment on 1 August 1997. The insignia was redesignated for the 140th Regiment on 23 January 2001.