Operations specialist (United States Navy)
Operations Specialist is a United States Navy and United States Coast Guard occupational rating. It is a sea duty-intensive rating in the Navy while most of Coast Guard OS's are at ashore Command Centers.
Rating insignia
Operations specialists at work
Electronics technician (United States Navy)
The United States Navy job rating of electronics technician (ET) is a designation given by the Bureau of Naval Personnel (BUPERS) to enlisted members who satisfactorily complete initial Electronics Technician "A" school training.
Rating insignia
USS Abraham Lincoln (CVN-72).
An Electronics Technician (ET) Petty Officer Third Class repairs a circuit board in the 2M shop aboard the amphibious transport dock ship USS San Antonio
An Electronics Technician (ET) Seaman receiving a certificate upon graduating from ET 'A' School.