Security Assistance Command Unit Pin-on Crest "Strength In Cooperation" (each) At the soldier's option the

At the soldier's option the RDI

1st Aviation Brigade Challenge Coin

DUIs may also be called "distinctive insignia" (DI) or

325th Infantry Crest "Let's Go"

Security Assistance Command Unit Pin-on Crest "Strength In Cooperation" (each) At the soldier's option theSecurity Assistance Command Unit Pin on Crest "Strength In Cooperation" (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