The 980th Quartermaster Battalion unit crest was approved on 4 June 2004. Buff (gold) is used for the background of the shield and scroll to signify the organization serves in the Quartermaster Corps, while the nine rays emanating from the demi-sun are for the nine classes of supply the Battalion supports; it also recalls the Battalion’s origins in San Jose, California. Below the demi-sun, the light blue area is a reference to Infantry service; the ultramarine blue of the demi-sphere behind the sun is an allusion the ocean and the unit’s location on the coast of California. Upright swords in heraldry denote military readiness, and these three refer to the three theaters (land, sea, air).
SERVICIO APOYO VICTORIA, the Battalion motto, is in Spanish to acknowledge the significant number of Hispanic make up the Battalion. It translates in English as “Service Support Victory.”
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Also known as a unit crest or DUI, a Distinctive Unit Insignia 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 (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.
Enlisted personnel wear the insignia centered on a shoulder loop by placing it an equal distance from the outside shoulder seam to the outside edge of the shoulder-loop button. Officers (except Generals) wearing grade insignia on the shoulder loops center the DUI by placing it an equal distance between the inside edge of the grade insignia and the outside edge of the button.
More guidance on wear of the DUI is found in DA Pamphlet 670-1, Section 21-22, "Distinctive unit insignia" and 21–3(d) and (e), "Beret" and "Garrison Cap," respectively.