U.S. Army 278th Armored Cavalry Regiment "I Volunteer Sir" Crest private 2nd Marine Division OCP Patch

2nd Marine Division OCP Patch with Hook Fastener (pair)

NWUIII Don't Tread On Me Shoulder Patch W/ Hook Fastener

Army Jungle Expert OCP Patch with Hook Fastener

27th Field Artillery Regiment Unit Crest (Each)

U.S. Army 278th Armored Cavalry Regiment "I Volunteer Sir" Crest private 2nd Marine Division OCP PatchU. S. Army 278th Armored Cavalry Regiment "I Volunteer Sir" Crest. 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,