4th Transportation Command Unit Crest (Freedom Through Mobility) - Sold in Pairs ISLAND_8C This CSIB is worn on

This CSIB is worn on the Army's Dress Blue (ASU) uniform

and Years of Service

but have not yet participated in a qualifying spaceflight

and are at risk of grave danger

The 5 wavy bars on the crest

4th Transportation Command Unit Crest (Freedom Through Mobility) - Sold in Pairs ISLAND_8C This CSIB is worn onUnited States Army 4th Transportation Command Unit Crest (Freedom Through Mobility) 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