5th Air Defense Artillery Unit Crest (each) expertinf 10th Mountain OCP Patch with

10th Mountain OCP Patch with Hook Fastener and Mountain Tab

Sold in pair

407th S&S Battalion Crest (Left & Right)  "Supply Is Strength"

CBRN OCP Patch with Hook Fastener (pair)

5th Air Defense Artillery Unit Crest (each) expertinf 10th Mountain OCP Patch with5th Air Defense Artillery Unit Crest (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, development and authorization