| Abbreviation | Definition |
|---|---|
| PCO | Program Controlled Output |
| PCOT | Payload Center Operations Team |
| PCP | Power Control Panel |
| PCP | Program Change Proposal |
| PCP | Project Change Proposal |
| PCP | Project Cost Plan |
| PCR | Payload Certification Review |
| PCR | Payload Changeout Room |
| PCR | Payload Checkout Room |
| PCR | Power Change Request |
| PCR | Program Change Request |
| PCR | Project Control Room |
| PCR | Publication Change Request |
| PCRB | Program Change Review Board |
| PCS | Payload Checkout System |
| PCS | Payload Control Supervisor |
| PCS | Pointing Control System |
| PCS | Portable Computer System |
| PCS | Power Conversion System |
| PCS | Predefined Command Sequence |