Navy E-4/5/6 Aviation Boatswain's Mate Rating Badges ISLAND_8B~MCR-68021 United States Navy Dental Corps

United States Navy Dental Corps Collar Device

and a field exercise

test ammunition

Usually this is specifically secret information about enemies or potential enemies

The badge is issued with a number of corresponding metal bars

Navy E-4/5/6 Aviation Boatswain's Mate Rating Badges ISLAND_8B~MCR-68021 United States Navy Dental CorpsUnited States Navy E 4 5 6 Aviation Boatswain's Mate Rating Badge Criteria: Worn by Aviation Boatswain's Mate (AB) with ranks from Petty Officer 3rd Class (E 4) to Petty Officer 1st Class (E 6). Aviation Boatswain's Mates are typically responsible for all of the aircraft catapults, arresting gear and barricades aboard USN vessels. They also direct aircraft on the flight decks and within the hangar bays. Other tasks include operating fuel and oil