United States Navy E-4/5/6 Mineman Rating Badge
Criteria: Worn by Minemen (MN) with ranks from Petty Officer 3rd Class (E-4) to Petty Officer 1st Class (E-6). Minemen are typically responsible for the testing, maintenance and repair of naval mines and their components. They are also trained in the maintenance of mine-handling and laying equipment.
The badge is sold with all 3 chevrons below the rating for E-6, and can be tailored down to the other two chevrons.