21st Field Artillery Regiment Unit Crest (No Motto) - Sold in Pairs Tabs the insignia is not limited

the insignia is not limited only to this branch of the Navy

The castle featured on the center of the crest is derived from the city crest of Aberdeen Scotland

Officers: Wear the basic badge after graduating from technical school (or after attaining a fully qualified AFSC when technical school is not required)

Engineering Duty Officers are unique to the navy because the majority of Engineering Duty Officers start their career as Unrestricted Line (URL) officers

United States Army Ohio National Guard Unit Crest

21st Field Artillery Regiment Unit Crest (No Motto) - Sold in Pairs Tabs the insignia is not limitedUnited States Army 21st Field Artillery Regiment Unit Crest Criteria: This item is the unit crest, also called distinctive unit insignia, of the 21st Field Artillery Regiment. The red stripe symbolizes Artillery support. The eagle commemorates this unit's World War I service in France. This item is made for wear on the Army Dress Blue (ASU) Uniform. Note: Sold in pairs (i. e., if you order a quantity of 1 you will receive two Unit Crests).