4th Air Defense Artillery Unit Crest "Audacia" (each) ltgen 4th Infantry Division OCP Patch

4th Infantry Division OCP Patch with Hook Fastener (pair)

Foreign Jump Wings

9th Infantry Division Challenge Coin

7th Cavalry Regiment Unit Crest "Garry Owen" (pair)

4th Air Defense Artillery Unit Crest "Audacia" (each) ltgen 4th Infantry Division OCP Patch4th Air Defense Artillery Unit Crest "Audacia" (each). A distinctive unit insignia (DUI) is a metallic heraldic badge or device worn by soldiers in the United States Army. The DUI design is derived from the coat of arms authorized for a unit. DUIs may also be called "distinctive insignia" (DI) or, imprecisely, a "crest" or a "unit crest" by soldiers or collectors. The U. S. Army Institute of Heraldry is responsible for the design, development and