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.
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Originally approved for the 326th Field Artillery, Organized Reserve on 7 May 1937, the 84th Regiment unit crest was amended on 4 November 1937 to add the motto. It was redesignated for the 326th Field Artillery Battalion, Organized Reserve on 7 October 1942, then was redesignated for the final time for the 84th Regiment, Army Reserve on 19 August 1960.
The scarlet shield background of the 84th Regiment Distinctive Unit Insignia represents Artillery, the branch of service in which the Regiment was originally constituted and in which it was serving when the insignia was approved. In its center is a griffin, a mythical creature with the body, tail, and hind legs of a lion and the head and wings of an eagle. Here it symbolizes a courageous hero who, rather than surrender to the enemy, confronts it knowing he is exposing himself to the worst of dangers. The fleur-de-lis in the upper left represents the unit’s history of World War I in France. The unit motto is the Latin phrase QUOD FACIO, VALDE FACIO, which translates as “What I Do, I Do Well.”
The 84th Regiment is an inactive or disbanded unit.