The 312th Personnel Services Battalion Distinctive Unit Insignia was originally approved for the 328th Personnel and Administration Battalion on 12 December 1985. It is not clear when it was redesignated.
Buff (gold) is the color traditionally associated with Support units and is used for the scroll containing the unit motto “Support And Service” as well as for the quill pen positioned nib-down on an upright sword. The pen symbolizes the administrative functions of the unit, while the upright sword denotes both the individual Soldiers supported by the unit and the military readiness of the Battalion. Behind the pen and sword is a chevron, longtime heraldic symbol of support with a design inspired by the shape of a gable rafter in a house.
Note: The unit for which this insignia was last approved does not appear to be active. It may have been reorganized and redesignated, redesignated, inactivated, deactivated, or disbanded.
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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.
Full 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.