United 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 transfer systems and using tow tractors to position aircraft..
The badge is sold with all 3 chevrons below the rating for E-6, and can be tailored down to the other two chevrons.