United States Amy Rank Abbreviations and Acronyms

1. GM2
   GUNNER'S MATE 2ND CLASS PETTY OFFICER
2. GM3
   GUNNER'S MATE 3RD CLASS PETTY OFFICER
3. GMAC
   GUNNER'S MATE (ARMORER) CHIEF PETTY OFFICER
4. GMASA
   GUNNER'S MATE (ARMORER) SEAMAN APPRENTICE
5. GMC
   General Motors
6. GMC
   GUNNER'S MATE CHIEF PETTY OFFICER
7. GMCM
   GUNNER'S MATE (MISSILES) MASTER CHIEF PETTY OFFICER
8. GMCS
   GUNNER'S MATE (MISSILES) SENIOR CHIEF PETTY OFFICER
9. GMG2
   GUNNER'S MATE (GUNS) PETTY OFFICER 2ND CLASS
10. GMGC
    GUNNER'S MATE (GUNS) CHIEF PETTY OFFICER
11. GMMC
    GUNNER'S MATE (MOUNTS) CHIEF PETTY OFFICER
12. GMS
    General Motors
13. GMSA
    GUNNER'S MATE SEAMAN APPRENTICE
14. GMSN
    GUNNER'S MATE SEAMAN
15. GMSR
    GUNNER'S MATE SEAMAN RECRUIT
16. GMTC
    GUNNER'S MATE (TECHNICIAN) CHIEF PETTY OFFICER
17. GMTC
    GUNNER'S MATE (TURRETS) CHIEF PETTY OFFICER
18. GMTCS
    GUNNER'S MATE (TECHNICIAN) SENIOR CHIEF PETTY OFFICER
19. GNR
    Gunner
20. GOAF
    General of The Air Force

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