United States Amy Rank Abbreviations and Acronyms

1. GSMFN
   GAS TURBINE SYSTEM TECHNICIAN (MECHANICAL) FIREMAN
2. GSMFR
   GAS TURBINE SYSTEM TECHNICIAN (MECHANICAL) FIREMAN RECRUIT
3. GUNSMITH
   GUNSMITH
4. GYSGT
   Gunnery Sergeant
5. HM3
   HOSPITAL CORPSMAN PETTY OFFICER 3RD CLASS
6. HOS STD
   Hospital Steward
7. HSHN
   HIGH SCHOOL (HOSPITALMAN)
8. HT2
   HULL MAINTENANCE TECHNICIAN PETTY OFFICER 2ND CLASS
9. IMI1
   INSTRUMENTMAN (INSTRUMENT REPAIRMAN) PETTY OFFICER 1ST CLASS
10. IMI3
    INSTRUMENTMAN (INSTRUMENT REPAIRMAN) PETTY OFFICER 3RD CLASS
11. IMISA
    INSTRUMENTMAN (INSTRUMENT REPAIRMAN) SEAMAN APPRENTICE
12. IMISN
    INSTRUMENTMAN (INSTRUMENT REPAIRMAN) SEAMAN
13. IMISR
    INSTRUMENTMAN (INSTRUMENT REPAIRMAN) SEAMAN RECRUIT
14. IMO1
    INSTRUMENTMAN (OFFICE MACHINE REPAIRMAN) PETTY OFFICER 1ST CLASS
15. IMO2
    INSTRUMENTMAN (OFFICE MACHINE REPAIRMAN) PETTY OFFICER 2ND CLASS
16. IMO3
    INSTRUMENTMAN (OFFICE MACHINE REPAIRMAN) PETTY OFFICER 3RD CLASS
17. IMOSN
    INSTRUMENTMAN (OFFICE MACHINE REPAIRMAN) SEAMAN
18. IMOSR
    INSTRUMENTMAN (OFFICE MACHINE REPAIRMAN) SEAMAN RECRUIT
19. IMW1
    INSTRUMENTMAN (WATCH & CLOCK REPAIRMAN) PETTY OFFICER 1ST CLASS
20. IMW2
    INSTRUMENTMAN (WATCH & CLOCK REPAIRMAN) PETTY OFFICER 2ND CLASS

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