52nd Ordnance Group Unit Crest "Defusing Danger" (pair) driver 27th Field Artillery Regiment Unit

27th Field Artillery Regiment Unit Crest (Each)

JFK Special Warfare Challenge Coin

US Army Chaplain Regimental Crest

Aviator Senior Black Metal Pin-on Badge

52nd Ordnance Group Unit Crest "Defusing Danger" (pair) driver 27th Field Artillery Regiment Unit52nd Ordnance Group Unit Crest "Defusing Danger" (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