553rd Engineer Battalion Unit Crest (Deus Et Patria) - Sold in Pairs SBBP~307_NATO-ISAF-M-plate Sonar Technicians are responsible for

Sonar Technicians are responsible for the the Navy's underwater surveillance

United States Army 1st Infantry Division Combat Service Identification Badge

They make replacement parts and repair or overhaul a ship's engine auxiliary equipment

Criteria: While not currently worn on the Marine Corps uniforms

They are manufactured in the U

553rd Engineer Battalion Unit Crest (Deus Et Patria) - Sold in Pairs SBBP~307_NATO-ISAF-M-plate Sonar Technicians are responsible forUnited States Army 553rd Engineer Battalion Unit Crest (Deus Et Patria) Criteria: This is the unit crest or distinctive unit insignia for the 553rd Engineer Battalion. It's motto is "Deus Et Patria." Unit crests are worn on the Army's Dress Blue (ASU) uniform and Army's Service Green uniform. Note: Sold in pairs (i. e., if you order a quantity of 1 you will receive two Unit Crests).