Military Army Ranks Abbreviations and Acronyms

1. MGEN
   Major General
2. MJR
   Major
3. MS
   Master Sergeant
4. MSG
   Master Sergeant
5. MSGR
   Messenger
6. MSGT
   Master Sergeant
7. MSP
   Master Specialist
8. MU
   Musician
9. MUS
   Musician
10. MUSI
    Musician
11. MW4
    Master Warrant Officer Fourth Class
12. ORD SGT
    Ordanance Sergeant
13. OS
    Orderly Sergeant
14. PFC
    Private First Class
15. PFCS
    Private First Class
16. PION
    Pioneer
17. PIONEER
    Pioneer
18. PM
    Principal Musician
19. PNR
    Pioneer
20. PRIV
    Private

Last updated: October 29, 2021 — Total entries: 364