2nd Infantry Division Crest "Second to None" (each) expertinf One badge from either group

One badge from either group 1 or group 2 may be worn with badges from groups 3 and 4 above the ribbons so long as the total number of badges above the ribbons does not exceed three

1st Special Forces Operational Detachment–Delta (Airborne) CSIB

but also the amount of responsibility held

2nd Infantry Division Crest "Second to None" (each)

2nd Infantry Division Crest "Second to None" (each) expertinf One badge from either group2nd Infantry Division Crest "Second to None" (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