United States Amy Rank Abbreviations and Acronyms

1. ACM2
   AVIATION CARPENTER'S MATE 2ND CLASS PETTY OFFICER
2. ACM3
   AVIATION CARPENTER'S MATE 3RD CLASS PETTY OFFICER
3. ACMMAC
   AVIATION CHIEF MACHINIST'S MATE (COMBAT AIRCREWMAN)
4. ACMMC
   AVIATION CHIEF MACHINIST'S MATE (CARBURETOR MECHANIC)
5. ACMMF
   AVIATION CHIEF MACHINIST'S MATE (FLIGHT ENGINEER)
6. ACMMH
   AVIATION CHIEF MACHINIST'S MATE (HYDRAULIC MECHANIC)
7. ACMMI
   AVIATION CHIEF MACHINIST'S MATE(INSTRUMENT MECHANIC)
8. ACMMP
   AVIATION CHIEF MACHINIST'S MATE (PROPELLER MECHANIC)
9. ACMMT
   AVIATION CHIEF MACHINIST'S MATE (TURBINE MECHANIC)
10. ACOMT
    AVIATION CHIEF ORDNANCEMAN (TURRET MECHANIC)
11. ACR1
    AIR CONTROLMAN (RADAR) PETTY OFFICER 1ST CLASS
12. ACR2
    AIR CONTROLMAN (RADAR) PETTY OFFICER 2ND CLASS
13. ACR3
    AIR CONTROLMAN ( (RADAR) PETTY OFFICER 3RD CLASS)
14. ACT 2ASST ENGR
    Acting Second Assistant Engineer
15. ACT COX
    Acting Coxswain
16. ACT ENS
    Acting Ensign
17. ACT1
    AIR CONTROLMAN (TOWER) PETTY OFFICER 1ST CLASS
18. ACT2
    AIR CONTROLMAN (TOWER) PETTY OFFICER 2ND CLASS
19. ACT3
    AIR CONTROLMAN (TOWER) PETTY OFFICER 3RD CLASS
20. ACTAR
    AIR CONTROLMAN (TOWER) AIRMAN RECRUIT

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