United States Navy E-4/5/6 Operations Specialist Rating Badge
Criteria: Worn by Operations Specialists (OS) with ranks from Petty Officer 3rd Class (E-4) to Petty Officer 1st Class (E-6). Operations Specialists are typically responsible for the operation of radar, navigation and communications equipment aboard naval vessels. They are also trained in the ability to control and assist 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.