The 118th Support Battalion Distinctive Unit Insignia—frequently called a “unit crest” or simply DUI for short—was approved on 24 December 1941. Two primary colors are used for the insignia: buff for Quartermaster Corps as a nod to the affiliation of the Battalion’s previous designation as the 8th Quartermaster Company, 8th Infantry Division. A diagonal band, called a “bend” in heraldry, represents a roadway and thus points to the very first incarnation of the unit as the 8th Supply and Transport Battalion. A key in the upper half of the bend is a symbol of supply and storekeeping; the swords in the lower half of the bend denotes arms and the unit’s support of military operations. The unit motto is the Latin phrase NIL ADMIRARI, which translates as “To Be Excited By Nothing.”
Distinctive Unit Insignias is worn by all Soldiers (except General Officers) in units that have been authorized to be issued the device. It is worn centered on the shoulder loops of the Army Green Service Uniform (AGSU) and the blue Army Service Uniform (ASU, Enlisted only) with the base of the insignia toward the outside shoulder seam. DUIs are not worn on the Dress variations of either uniform, however.
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After serving with the 8th Infantry Division in World War II as the 8th Quartermaster Company, the unit became part of the 8th Infantry Division Support Command (DISCOM) and was redesignated as the 118th Support Battalion; it was also known as the 188th Forward Support Battalion. It was inactivated in 1992 along with the Division and all its subordinate units.