| Abbreviation | Definition |
|---|---|
| OPREP-2 | (message format used for event/incident report) |
| OPROJ | Operational Project |
| OPS | Operational Project Stock |
| OPS | Operations |
| OPS | Operations Center |
| OPSCOM | OPerations COMmittee |
| OPSDEP | OPerations DEPuty |
| OPSEC | Operations Security |
| OPSG | Operations Planning Steering Group |
| OPSTK | OPerational STocK |
| OPSUM | OPerations SUMmary |
| OPT | Operational Planning Team |
| OPT | Optical Process Test |
| OPT | Optional |
| OPT | Optometry |
| OPTADS | Operations Tactical Data System |
| OPTAG | Optical Aimpoint Guidance |
| OPTAG | ptical Aimpoint Guidance |
| OPTAR | Operating Target |
| OPTASK | Operation Task |