21st Signal Brigade Unit Crest (Edge of the Sword) - Sold in Pairs ISLAND_7A The donkey on the crest

The donkey on the crest represents the group's early duty as a pack artillery organization

This DUI for the was redesignated for the 1st Infantry Division in 1965

Support and Service is their motto

Smith & Wesson logo

Michigan and Tennessee

21st Signal Brigade Unit Crest (Edge of the Sword) - Sold in Pairs ISLAND_7A The donkey on the crestUnited States Army 21st Signal Brigade Unit Crest (Edge of the Sword) Criteria: These distinctive unit insignia (DUI) are worn by the 21st Signal Brigade. Their motto is Edge of the Sword. White and orange are the colors that represent the Signal Corps. The 21st Signal Brigade is out of Fort Detrick, Maryland. This DUI was originally approved fort he 21st Signal Group in 1968 and was later redesignated for the 21st Signal Brigade in 2003. Unit crests