8th Engineer Battalion Unit Crest (each) ngr 81st Brigade OCP Patch with

81st Brigade OCP Patch with Hook Fastener (pair)

Combat and Special Skill badges are further divided into five groups

(O-1) to General (O-9)

Brite Pin-on Rank

Humanitarian Service Large Medal (each)

8th Engineer Battalion Unit Crest (each) ngr 81st Brigade OCP Patch with8th Engineer Battalion Unit Crest (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 authorization of