57th ADA (Air Defense Artillery) Unit Crest (Veto) - Sold in Pairs SBBP~130_CGEPSM-plate United States Army MEDDAC Aberdeen

United States Army MEDDAC Aberdeen Proving Grounds Unit Crest (Your Health Is Our Goal)

the United States Coast Guard

United States Army 9th Support Command Unit Crest (Service To Our Customers)

Navy instructions and publications

57th ADA (Air Defense Artillery) Unit Crest (Veto) - Sold in Pairs SBBP~130_CGEPSM-plate United States Army MEDDAC AberdeenUnited States Army 57th ADA (Air Defense Artillery) Unit Crest (Veto) 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 the Senior