28th Combat Support Hospital Unit Crest (Service Through Mobility) - Sold in Pairs SBBP~156_ALOMOM-plate In the United States Navy

In the United States Navy a midshipman is classified as an officer of the line

A third rating

United States Army Training And Doctrine Command TRADOC Unit Crest (Freedom's Fortress)

CSIB's are worn exclusively on the ACU (dress blue) uniform

Marine Gunners

28th Combat Support Hospital Unit Crest (Service Through Mobility) - Sold in Pairs SBBP~156_ALOMOM-plate In the United States NavyUnited States Army 28th Combat Support Hospital Unit Crest (Service 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