| Abbreviation | Definition |
|---|---|
| PICRS | Program Information Control and Retrieval System |
| PICRS | Program Information Coordination and Review Service |
| PICS | Photo Index and Cataloging System |
| PICS | Predefined Input Control Sequence |
| PID | Parameter IDentification |
| PID | Payload Insertion Device |
| PID | Program Information Document |
| PID | Proportional Integral Derivative |
| PIDA | Payload Installation and Deployment Aid |
| PIDS | Portable Image Display System |
| PIE | Payload Integration Equipment |
| PIECP | Preliminary Impact Engineering Change Proposal |
| PIF | Payload Integration Facility |
| PIGA | Pendulous Integrating Gyro Accelerometer |
| PII | Procurement Instrument Identification |
| PIIN | Procurement Instrument Identification Number |
| PILOT | Proportional Integrated Leveling Override Technology |
| PILS | Precision Instrument landing System |
| PIM | Pulse Interval Modulation |
| PIND | Particle Impact Noise Detection |