91st Training Division Unit Crest "Powder River" (pair) 2ndlt Diver Scuba Brite Pin-on

Diver Scuba Brite Pin-on

Special Forces Group OCP Patch with Hook Fastener

548th Support Battalion Crest "Supporting the Sword" (pair)

Aviation Officer Brite Pin-on

91st Training Division Unit Crest "Powder River" (pair) 2ndlt Diver Scuba Brite Pin-on91st Training Division Unit Crest "Powder River" (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