Or (Golden Yellow), a benzene ring Azure (Cobalt Blue) voided Celeste (Light Blue), bearing a dragon displayed Vert, garnished Or, armed and langued Gules, upon a snowcapped mountain Proper.
That for the regiments and separate battalions of the Washington Army National Guard: From a wreath Or (Golden Yellow) and Azure (Cobalt Blue), a raven with wings endorsed issuing out of a ducal coronet all Proper.
Cobalt blue and golden yellow are the colors traditionally used by Chemical units. The benzene ring is adapted from the United States Army Chemical Corps insignia of branch. The light blue hexagon refers to the First Washington United States Volunteer Infantry, the first organized militia in the Yakima area. The dragon signifies vigilance; the mountain symbolizes Mount Rainier, a prominent Washington landmark and highlights the location of the unit. Together, the dragon and mountain represent power and strength.
The crest is that of the Washington Army National Guard.
The coat of arms was approved on 20 Apr 2000.