United States Amy Rank Abbreviations and Acronyms

1. IMW3
   INSTRUMENTMAN (WATCH REPAIR) PETTY OFFICER THIRD CLASS
2. IMWSN
   INSTRUMENTMAN (WATCH & CLOCK REPAIRMAN) SEAMAN
3. IMWSR
   INSTRUMENTMAN (WATCH & CLOCK REPAIRMAN) SEAMAN RECRUIT
4. ISSR
   INTELLIGENCE SPECIALIST SEAMAN RECRUIT
5. IT1
   INFORMATION TECHNICIAN PETTY OFFICER 1ST CLASS
6. JO1
   JOURNALIST PETTY OFFICER 1ST CLASS
7. JO2
   JOURNALIST PETTY OFFICER 2ND CLASS
8. JO3
   JOURNALIST PETTY OFFICER 3RD CLASS
9. LDS BKR
   LANDSMAN FOR BAKER
10. LDS BLKSA
    LANDSMAN FOR BLACKSMITH (AVIATION)
11. LDS C'SMTHA
    LANDSMAN FOR COPPERSMITH (AVIATION)
12. LDS COM STD
    LANDSMAN FOR COMMISSARY STEWARD
13. LDS CSTD
    LANDSMAND FOR COMMISSARY STEWARD
14. LDS MUS
    LANDSMAN FOR MUSICIAN
15. LDS WOS
    LANDSMAN FOR WARRANT OFFICER'S STEWARD
16. LDS YEO
    LANDSMAN FOR YEOMAN
17. LDSCM
    LANDSMAN FOR CARPENTER'S MATE
18. LDSCMA
    LANDSMAN FOR CARPENTER'S MATE (AVIATION)
19. LDSMMA
    LANDSMAN FOR MACHINIST'S MATE (AVIATION)
20. LDSMMMB
    LANDSMAN FOR MACHINIST'S MATE (MOTOR BOAT)

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