Shield
Tierced in pairle reversed Gules, Tenn and Celeste (Oriental Blue), in chief two stylized wolfs heads respectant Sable fimbriated and garnished Argent; a chief Celeste (Light Blue), on a pallet of the fifth, an arrow erect surmounted on a staff by a barrulet couped of the first.
Crest
That for the regiments and separate battalions of the Wisconsin Army National Guard: From a wreath Argent and Gules, a badger couchant Proper.
Motto
PECTUS PECTORIS LUPIS (Heart of the Wolf).
Shield
Light blue is the color traditionally associated with Infantry units. The pales denote military resilience. The wolfs heads represent the Wolf Pack Battalion, alluding to the combined mission of each company within the former Special Troop Battalion. The stylized red arrow indicates the Brigade Combat Team affiliation with the 32d Infantry Brigade and the units battle readiness for future operations. The upper section of the shield displays the colors of the branches that comprised the Special Troops Battalion - red refers to the Engineer functions; oriental blue signifies the Military Intelligence responsibilities and orange is for the Signal capabilities.
Crest
The crest is that of the Wisconsin Army National Guard.
The coat of arms was originally approved for the Special Troops Battalion, 32d Infantry Brigade Combat Team on 17 June 2010. It was redesignated effective 1 September 2015, for the 173d Engineer Battalion with the symbolism updated.