United States Amy Rank Abbreviations and Acronyms

1. CMHCN
   CONSTRUCTION MECHANIC (HEAVY CONSTRUCTION) CONSTRUCTIONMAN
2. CMHCR
   CONSTRUCTION MECHANIC (HEAVY CONSTRUCTION) CONSTRUCTIONMAN RECRUIT
3. CMMAGE
   CHIEF MACHINIST'S MATE(AVIATION, BOMBING)
4. CMMAH
   CHIEF MACHINIST'S MATE(AVIATION, HYDROGEN)
5. CMMMB
   CHIEF MACHINIST'S MATE(MOTOR BOAT)
6. CMOMMT
   CHIEF MOTOR MACHINIST'S MATE(TURBINE)
7. CMSRK
   CARPENTER'S MATE (SHIP REPAIR, CAULKERS, BOAT)
8. COMMTECH
   CHIEF COMMUNICATIONS TECHNICIAN
9. COMO
   Commodore
10. COMSY ENS
    COMMISSARY ENSIGN
11. CONSTELEC
    CHIEF CONSTRUCTION ELECTRICIAN
12. COOPER
    Cooper
13. COXCBB
    COXSWAIN (CONSTRUCTION BATTALION, BOATSWAIN)
14. COXCBS
    COXSWAIN (CONSTRUCTION BATTALION, STEVEDORE
15. COXCC
    COXSWAIN TO COMMANDER-IN-CHIEF
16. COXCY
    COXSWAIN TO COMMANDANT OF YARD
17. COXSRB
    COXSWAIN (SHIP REPAIR, CANVASMAN)
18. COXSRC
    COXSWAIN (SHIP REPAIR, CRANE)
19. COXSRR
    COXSWAIN (SHIP REPAIR, RIGGER)
20. COXW
    COXSWAIN (WINCHMAN)

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