United States Navy E-4/5/6 Gunner's Mate Rating Badge
Criteria: Worn by Gunner's Mates (GM) with ranks from Petty Officer 3rd Class (E-4) to Petty Officer 1st Class (E-6). Gunner's Mates are responsible for all gunnery equipment, guided-missile launching systems, rocket launchers, large guns and turrets, along with all associated equipment used by the USN. They maintain, operate and repair all of the electrical, electronic, hydraulic and mechanical equipment associated with these systems. The rating also includes those who maintain preform detailed casualty analysis, test ammunition, missiles and ordnance and those who supervise the transportation and stowage of ammunition and missiles.
The badge is sold with all 3 chevrons below the rating for E-6, and can be tailored down to the other two chevrons.