Navy E-4/5/6 Boatswain's Mate Rating Badges SBBA~Double~MCR-68108 United States Army Infantry Branch

United States Army Infantry Branch Insignia

United States Air Force Operations Support Badge

then in 1971 the decoration evolved into a full sized medal with its current name

it is divided into separate ranking degrees

US Army Inspector General Branch Insignia - Officer and Enlisted

Navy E-4/5/6 Boatswain's Mate Rating Badges SBBA~Double~MCR-68108 United States Army Infantry BranchUnited States Navy E 4 5 6 Boatswain's Mate Rating Badge Criteria: Worn by Boatswain's Mates (BM) with ranks from Petty Officer 3rd Class (E 4) to Petty Officer 1st Class (E 6). Boatswain's Mates are trained and supervise all activities relating to seamanship, including the use of marlinspike, and deck activities. They also are responsible for deck side watch. While in port three or more of the crew members are on deck at all hours. They monitor all