Military Abbreviations and Acronyms

1. ORTP
   Operational Readiness Training Program
2. ORTP
   Operational Readiness Test Program
3. ORTS
   Operational Readiness Test System
4. ORTS
   Operation Readiness Test System
5. ORTT
   Operational Readiness Training Test
6. ORTU
   Operational & Refresher Training Unit
7. ORTU
   Operational and Refresher Training Unit
8. ORU
   Operator Radio Undt
9. ORV
   Off-Road Vehicles
10. ORVS
    Off-Road Vehicles
11. OS
    Office of The Secretary
12. OS
    Operating System
13. OS
    Operations Security
14. OS
    Operations Support
15. OS
    Operating Strength
16. OS
    Offensive Support
17. OS
    Office of Security
18. OS
    Open Syslems
19. OS
    Operations Specialist
20. OS
    Operations Specialists

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