420th Chemical Battalion Crest "Passage Assured" (each) sergeant Infantry School "Follow Me" With

Infantry School "Follow Me" With Airborne Tab OCP Patch with Hook Fastener

Military Police (MP) OCP Brassard Patch W/ Hook Fastener

Army Multi-Ribbon Bar 16S

34th Infantry Division OCP Patch with Hook Fastener (pair)

Army Element Special Operations Command CSIB

420th Chemical Battalion Crest "Passage Assured" (each) sergeant Infantry School "Follow Me" With420th Chemical Battalion Crest "Passage Assured" (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