18th ADA (Air Defense Artillery) Group Unit Crest (Defense in Depth) - Sold in Pairs Tactical Pants & Shorts Criteria: This is the unit

Criteria: This is the unit crest or distinctive unit insignia for the 4th Personnel Services Battalion

and Enlisted Surface Warfare Specialist

-Style Stainless Steel Canteen Cup is a convenient item that is easily stowed away under your canteen

The current active duty number of MAs consists of approximately 10

the decoration became authorized by the United States War Department in 1933

18th ADA (Air Defense Artillery) Group Unit Crest (Defense in Depth) - Sold in Pairs Tactical Pants & Shorts Criteria: This is the unitUnited States Army 18th ADA (Air Defense Artillery) Group Unit Crest (Defense in Depth) 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