Governmental & Military Abbreviations and Acronyms

1. IMISN
   INSTRUMENTMAN (INSTRUMENT REPAIRMAN) SEAMAN
2. IMISR
   INSTRUMENTMAN (INSTRUMENT REPAIRMAN) SEAMAN RECRUIT
3. IMO1
   INSTRUMENTMAN (OFFICE MACHINE REPAIRMAN) PETTY OFFICER 1ST CLASS
4. IMO2
   INSTRUMENTMAN (OFFICE MACHINE REPAIRMAN) PETTY OFFICER 2ND CLASS
5. IMO3
   INSTRUMENTMAN (OFFICE MACHINE REPAIRMAN) PETTY OFFICER 3RD CLASS
6. IMOSN
   INSTRUMENTMAN (OFFICE MACHINE REPAIRMAN) SEAMAN
7. IMOSR
   INSTRUMENTMAN (OFFICE MACHINE REPAIRMAN) SEAMAN RECRUIT
8. IMW1
   INSTRUMENTMAN (WATCH & CLOCK REPAIRMAN) PETTY OFFICER 1ST CLASS
9. IMW2
   INSTRUMENTMAN (WATCH & CLOCK REPAIRMAN) PETTY OFFICER 2ND CLASS
10. IMW3
    INSTRUMENTMAN (WATCH REPAIR) PETTY OFFICER THIRD CLASS
11. IMWSN
    INSTRUMENTMAN (WATCH & CLOCK REPAIRMAN) SEAMAN
12. IMWSR
    INSTRUMENTMAN (WATCH & CLOCK REPAIRMAN) SEAMAN RECRUIT
13. ISSR
    INTELLIGENCE SPECIALIST SEAMAN RECRUIT
14. IT1
    INFORMATION TECHNICIAN PETTY OFFICER 1ST CLASS
15. JO1
    JOURNALIST PETTY OFFICER 1ST CLASS
16. JO2
    JOURNALIST PETTY OFFICER 2ND CLASS
17. JO3
    JOURNALIST PETTY OFFICER 3RD CLASS
18. LDS BKR
    LANDSMAN FOR BAKER
19. LDS BLKSA
    LANDSMAN FOR BLACKSMITH (AVIATION)
20. LDS C'SMTHA
    LANDSMAN FOR COPPERSMITH (AVIATION)

Last updated: May 24, 2020 — Total entries: 74,797