United States Navy Petty Officer 1st Class Rank Insignia Patch E6, Sonar Technician

A Petty Officer First Class is the third of the Navy's Petty Officer grades, and serves as a non-commissioned officer. A Petty Officer First Class serves both as a leader and as a technical expert, and all Petty Officers have a specified rating, or job. The exact title with which a petty officer is addressed depends on their specialty; a Petty Officer First Class serving as an Electronics Technician, for example, would have the full title of Electronics Technician First Class.
Petty Officer First Class is the 6th rank in the United States Navy with a grade of O-6, ranking above Petty Officer Second Class and directly below Chief Petty Officer.

Sonar technicians are responsible for underwater surveillance. They assist in safe navigation and are responsible for undersea communications. They operate and repair sonar equipment and auxiliaries. Sonar Technicians operate, maintain and repair sonar systems, antisubmarine warfare fire control equipment and other various equipment associated with underwater detection, counter-detection, warfare and communications.

Original Fabric Insignia patch with black backing and silver and red embroidery.