United States Navy E-4/5/6 Aviation Structural Mechanic Rating Badge
Criteria: Worn by Aviation Structural Mechanics (AM) with ranks from Petty Officer 3rd Class (E-4) to Petty Officer 1st Class (E-6). Aviation Structural Mechanics are typically responsible for all of the larger parts of naval aircraft, including wings, fuselage, tail and control systems.
The badge is sold with all 3 chevrons below the rating for E-6, and can be tailored down to the other two chevrons.