Check the listing for details. US Navy Fire Control Tech First Class Embroidered Sewn on Uniform. Condition: Used, Made in United States. Listed at 6.60 USD. This patch is a United States Navy Fire Control Technician rating badge. It signifies the rank of Petty Officer 1st Class (E-6), indicated by the three red chevrons. The insignia features an eagle perched on top of a symbol representing the rate, commonly known as the "crow". Fire Control Technicians were responsible for operating and maintaining the ship's gunnery and missile fire control systems.