On a hexagon shaped Gold colored metal and enamel device 1 3/16 inches (3.02 cm) in height overall blazoned: Azure, a quatrefoil throughout Or charged in its bottom lobe with a guze bearing three mullets, one and two, of the like, and issuant there from a hydra of as many heads of the field detailed of the second. Below a Blue scroll inscribed "THE FOG OF WAR" in Gold letters.
The overall shape of the device is a hexagon which reflects the benzene ring. The quatrefoil is also symbolic of the fog in their motto, "The Fog of War." The hydra represents the Chemical Corps. The three stars represent the three campaigns awarded to the ancestor units during World War II.
The distinctive unit insignia was approved on 11 December 2006.