ShieldArgent, a saltire Gules between in chef a crescent Azure and a fleur-de-lis of the like in base; two arrowheads in fess Vert, with points inward.
CrestThat for the regiments and separate battalions of the Louisiana Army National Guard: On a wreath of the colors Argent and Gules a pelican in her piety affronté with three young in nest Argent, armed and vulned Proper.
MottoCOME WHAT WILL.
ShieldThe arrowheads symbolize the Battalion's assault landings at Algeria-French Morocco and Sicily. The crescent alludes to the Tunisian Campaign where the unit was awarded the French Croix de Guerre with Palm, World War II. The saltire symbolizing a cross road, is symbolic of engineering support and construction. The fleur-de-lis represents the organization's World War I service in France, while the fleur-de-lis and crescent further distinguish the location of the unit's headquarters at Bogalusa, Louisiana, in the area of New Orleans, the "Crescent City." Scarlet and white are colors used for the Corps of Engineers.
CrestThe crest is that of the Louisiana Army National Guard.
The coat of arms was approved on 5 January 1973.