| Abbreviation | Definition |
|---|---|
| POLAR | Production Order Location and Reporting |
| POM | Pallet-Only Mode |
| POM | Pick Off Mirror |
| POM | Printer Output Microfilm |
| POMM | Pick Off Mirror and Mount |
| POMM | Pick Off Mirror Mechanism |
| POMT | Planning Operations Management Team |
| POP | Perpendicular-to-Orbit Plane |
| POP | Polar Orbiting Platform |
| POP | Preburner Oxidizer Pump |
| POP | Preflight Operations Procedures |
| POP | Prelaunch Operations Plan |
| POP | Program Operating Plan |
| POPA | Payload Ordnance Processing Area |
| POPU | Push Over Pull Up |
| POR | Point of Resolution |
| POR | Provisioning Order Request |
| POR | Purchase Order Request |
| PORB | Production Operations Review Board |
| PORC | Porcelain |