31st ADA (Air Defense Artillery) Brigade Unit Crest (Ready and Vigilant) - Sold in Pairs Air Force Mounts representing the heritage of OSS

representing the heritage of OSS Operational Swimmers during World War II

The Global War on Terrorism Expeditionary Medal is a similar award

• Cover - Heavy polydura (green)

Flush-Spaced 19 Ribbon Mount

The dragon is a traditional heraldic symbol for fire and the destructive nature of chemical warfare

31st ADA (Air Defense Artillery) Brigade Unit Crest (Ready and Vigilant) - Sold in Pairs Air Force Mounts representing the heritage of OSSUnited States Army 31st ADA (Air Defense Artillery) Brigade Unit Crest (Ready and Vigilant) 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