21ST Engineer Batt Crest (No Motto) (Pair) ranger 12th Aviation Brigade OCP Patch

12th Aviation Brigade OCP Patch with Hook Fastener

The metallic version is authorized for wear on the right pocket/breast of the Army Service Uniform

16th Military Police MP Brigade OCP Patch with Hook Fastener (pair)

553rd Support Battalion Unit Crest "Ask We Do" (each)

21ST Engineer Batt Crest (No Motto) (Pair) ranger 12th Aviation Brigade OCP PatchA 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 authorization of all DUIs. Distinctive unit insignia (DUI)