31st Infantry Division Unit Crest "Pro Patria" (pair) sgtmaj Enlisted ranks are represented by

Enlisted ranks are represented by an “E”

172nd Infantry Brigade Combat Team CSIB

Army Ordnance Regimental Crest

2nd Medical Brigade OCP Patch with Hook Fastener (pair)

Army 18th Airborne Corps Unit Crest "Sky Dragons" (each)

31st Infantry Division Unit Crest "Pro Patria" (pair) sgtmaj Enlisted ranks are represented by31st Infantry Division Unit Crest "Pro Patria" (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