555th Engineer Brigade Unit Crest (each) path Officer Candidate School O

Officer Candidate School O

Army Driver & Mechanic Brite Pin-on Badge

Military Police Officer Brite Pin-on

Civil Affairs Officer Brite Pin-on

1st Marine Division OCP Patch with Hook Fastener (pair)

555th Engineer Brigade Unit Crest (each) path Officer Candidate School O555th Engineer Brigade 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