Description
On a blue vertical rectangle arced at top and bottom with a 1/8 inch (.32 cm) blue border, 3 inches (7.62 cm) in height and 2 inches (5.08 cm) in width overall, a yellow hexagon superimposed by a green dragon’s head erased, langued and garnished red with white teeth.

Symbolism
Cobalt blue and golden yellow are the colors associated with the Chemical Corps and represent the original designation of the unit. The benzene ring is adapted from the Chemical Corps branch insignia. The dragon, symbolically a staunch defender, is traditionally associated with the Chemical Corps.

Background
The shoulder sleeve insignia was originally approved for the 404th Chemical Brigade on 11 May 1990. It was cancelled on 1 April 1998. The insignia was reinstated effective 1 September 2002, for the 404th Chemical Brigade. It was redesignated for the 404th Maneuver Enhancement Brigade with the symbolism revised effective 1 September 2011. (TIOH Dwg. No. A-1-777)