United States Amy Rank Abbreviations and Acronyms

1. ETS1
   ELECTRONICS TECHNICIAN (SONAR) PETTY OFFICER 1ST CLASS
2. ETS3
   ELECTRONICS TECHNICIAN (SONAR) PETTY OFFICER 3RD CLASS
3. ETSSA
   ELECTRONICS TECHNICIAN (SONAR) SEAMAN APPRENTICE
4. ETSSN
   ELECTRONICS TECHNICIAN (SONAR) SEAMAN
5. ETSSR
   ELECTRONICS TECHNICIAN (SONAR) SEAMAN RECRUIT
6. EW1
   ELECTRONICS WARFARE TECHNICIAN PETTY OFFICER FIRST CLASS
7. EW2
   ELECTRONICS WARFARE TECHNICIAN PETTY OFFICER SECOND CLASS
8. EW3
   ELECTRONICS WARFARE TECHNICIAN PETTY OFFICER THIRD CLASS
9. FC1
   FIRE CONTROLMAN PETTY OFFICER 1ST CLASS
10. FCO1
    FIRE CONTROLMAN (OPERATOR) PETTY OFFICER 1ST CLASS
11. FCO2
    FIRE CONTROLMAN (OPERATOR) PETTY OFFICER 2ND CLASS
12. FCO3
    FIRE CONTROLMAN (OPERATOR) PETTY OFFICER 3RD CLASS
13. FCR3
    FIRE CONTROLMAN (RADAR FINDER) PETTY OFFICER 3RD CLASS
14. FCS1
    FIRE CONTROLMAN (SURFACE WEAPONS) PETTY OFFICER FIRST CLASS
15. FCS1
    FIRE CONTROLMAN (SUBMARINE) PETTY OFFICER 1ST CLASS
16. FCS3
    FIRE CONTROLMAN (SUBMARINE) PETTY OFFICER 3RD CLASS
17. FCS3
    FIRE CONTROLMAN (SURFACE WEAPONS) PETTY OFFICER THIRD CLASS
18. FCSSA
    FIRE CONTROLMAN (SURFACE) SEAMAN APPRENTICE
19. FCSSN
    FIRE CONTROLMAN (SURFACE) SEAMAN
20. FCU1
    FIRE CONTROLMAN (UNDERWATER WEAPONS)

Last updated: May 24, 2020 — Total entries: 3,362