2nd Air Defense Artillery Unit Crest "Fidus Ultra Finem" (Each) maj Medical Command Health Service OCP

Medical Command Health Service OCP Patch with Hook Fastener

Combat Infantry 1st Award Black Metal Pin-on Badge

Diver Scuba Brite Pin-on

CBRN OCP Patch with Hook Fastener (pair)

2nd Air Defense Artillery Unit Crest "Fidus Ultra Finem" (Each) maj Medical Command Health Service OCP2nd Air Defense Artillery Unit Crest "Fidus Ultra Finem" (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,