Shield
Gules, on a bend Argent winged of the like, a bendlet Sable charged with a bulldozer pulling a scraper all of the second.
Crest
That for the regiments and separate battalions of the Mississippi Army National Guard: On a wreath of the colors Argent and Gules, a slip of magnolia full flower with leaves Proper behind a trident Sable.
Motto
CRESCIT LABORE (It Grows With Labor).
Shield
Scarlet and white are the colors of the Corps of Engineers. The white winged bend - the bend representing an airstrip - refers to the Battalion's primary mission of constructing airfields, the bulldozer and scraper being among the major tools used.
Crest
The crest is that of the Mississippi Army National Guard.
The coat of arms was originally approved for the 223d Engineer Aviation Battalion on 4 October 1955. It was redesignated for the 223d Engineer Battalion on 10 April 1957.