Navy Medical Corps Collar Device SBBA~Double~11137DBR Shipboard Machinery Repairmen frequently operate

Shipboard Machinery Repairmen frequently operate main propulsion machinery

Personnel eligible to wear other secondary insignias

are worn on the left shoulder

United States Army Female Shoulder Boards - Chaplain

Navy Medical Corps Collar Device SBBA~Double~11137DBR Shipboard Machinery Repairmen frequently operateUnited States Navy Medical Corps Collar Device Criteria: The Medical Corps of the United States Navy consists of military physicians in a variety of specialties. It is the senior corps among all staff corps, second in precedence only to line officers. The corps of commissioned officers was founded on March 3, 1871. Prior to the formal establishment of the corps, ships' surgeons served without commissions, unless given one by the commanding officer.