501st Support Battalion Unit Crest "Supply Mobility Service" (each) scuba O4 Major Black Metal Pin-on

O4 Major Black Metal Pin-on Rank

Military Police Officer Brite Pin-on

82nd Sustainment Brigade Unit Crest  "Supporting Freedom" (each)

Captain USMC Officer Collar Rank

Sold in pair

501st Support Battalion Unit Crest "Supply Mobility Service" (each) scuba O4 Major Black Metal Pin-on501st Support Battalion Unit Crest "Supply Mobility Service" (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,