517th ADA (Air Defense Artillery) Unit Crest (We Sweep the Sky) - Sold in Pairs ISLAND_14D~81231 Note: Sold in Pairs

Note: Sold in Pairs

Criteria: These distinctive unit insignia (DUI) are worn by the 507th Support Group

They also prepare defenses against chemical

must complete an abbreviated amount of submarine qualification in order to obtain the Submarine Supply Corps Insignia

Dimensions: 3/4" wide by 2" tall

517th ADA (Air Defense Artillery) Unit Crest (We Sweep the Sky) - Sold in Pairs ISLAND_14D~81231 Note: Sold in PairsUnited States Army 517th ADA (Air Defense Artillery) Unit Crest (We Sweep the Sky) Criteria: Unit Crests are unique to each unit in the U. S. Army and are officially known as Distinctive Unit Insignia although most Soldiers refer to them as "Unit Crests." The insignia design is derived from the coat of arms authorized for a unit. All personnel assigned to the organization wear the insignia, except general officers, the Sergeant Major of the Army and