| Abbreviation | Definition |
|---|---|
| PET | Planetary Exploration Team |
| PETA | Performance Evaluation and Trend Analysis |
| PETB | Preflight Test Bus |
| PETS | P/L Experiment Test System (KSC) |
| PETS | Payload Environmental Transportation System |
| PETS | POCC Experiments Timeline System (GDSD and Spacelab) |
| PETS | Post-landing Experiment Test System |
| PF | Parachute Facility |
| PF | Payload Forward |
| PF | Payload Function |
| PF | Payload operational instrumentation MDM (Manipulator Deployment Mechanism) - Forward |
| PF | Payload Operational Instrumentation MDM-FWD |
| PF | Power Factor |
| PF | Powered Flight |
| PF | Pre-Flight |
| PF | Prime Function |
| PF | Probability of Failure |
| PF | Pulse Frequency |
| PFA | Palmdale Final Assembly |
| PFB | Payload Feedback |