28th Infantry Regiment Unit Crest (pair) majgen 11th Armored Cavalry Regiment CSIB

11th Armored Cavalry Regiment CSIB

and “O” for officers

32nd Infantry Regiment Unit Crest (Pair)

Medical Veterinary "V" Officer Brite Pin-on

75th Ranger Regiment 2nd Battalion Scroll CSIB (each)

28th Infantry Regiment Unit Crest (pair) majgen 11th Armored Cavalry Regiment CSIB28th Infantry Regiment Unit Crest (pair). 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