ShieldArgent, on a fess Azure between two bars that to chief of the second and that to base Gules, a saltire Argent (Smoke), fimbriated of the first.
CrestThat for the regiments and separate battalions of the Louisiana Army National Guard: From a wreath Argent and Azure, a pelican in her piety affronté with three young in nest, Argent, armed and vulned Proper.
MottoNOUS SOMMES PRETS (We Are Ready).
ShieldThe service of the former organization, the 199th Infantry, is indicated by the saltire, gray in color, which denotes Civil War service with the Confederate Army. The bar in chief is blue for Infantry service in World War I and the bar in base is red for Artillery service in World War II.
CrestThe crest is that of the Louisiana Army National Guard.
The coat of arms was originally approved for the 199th Infantry Regiment on 1 May 1952. It was rescinded (cancelled) on 4 August 1960. It was reinstated and redesignated for the 199th Regiment with the blazon and symbolism revised on 3 July 1997. It was amended to correct the motto and update the blazon on 29 June 2016.