Military Abbreviations and Acronyms

1. MESM
   Mission Essential Subsystem Matrix
2. O-3
   Captain
3. O-5
   Lieutenant Colonel
4. O-6
   Colonel
5. OT&E
   Operational Test and Evaluation
6. PSYOP
   Psychological Operations
7. RED HORSE
   Rapid Engineers Deployable Heavy Operations Repair Squadron Engineers
8. SAF/SECAF
   Secretary of The Air Force
9. SEPCOR
   Separate Correspondence
10. SIPR
    Secret Internet Protocol Router Network
11. Snacko
    SNACK Officer
12. SOWT
    Special Operations Weather Team
13. STU-III
    Secure Telephone Unit III
14. T.O.
    Technical Order
15. TAC-P
    Tactical Air Control Party
16. USNORTHCOM
    United States Northern Command
17. USPACOM
    United States Pacific Command
18. USSOUTHCOM
    United States Southern Command
19. USSPACECOM
    United States Space Command
20. USTRANSCOM
    United States Transportation Command

Last updated: April 7, 2022 — Total entries: 103,098