| Abbreviation | Definition |
|---|---|
| PCCB | Program Configuration Control Board |
| PCCE | Payload Common Communication Equipment |
| PCCM | Program Change Control Management |
| PCCN | Provisioning Contract Control Number |
| PCCP | Preliminary Contract Change Proposal |
| PCD | Procurement Control Document |
| PCDU | Payload Command Decoder Unit |
| PCEM | Propulsion Contamination Effects Module |
| PCF | Payload Control Facility |
| PCG | Phonocardiogram |
| PCG | Protein Crystal Growth |
| PCG2 | Personal Computer Government Operator Aerospace Language 2 |
| PCGE | Protein Crystal Growth Experiment |
| PCGOAL | Personal Computer Government Operator Aerospace Language |
| PCH | Program Critical Hardware |
| PCI | Peripheral Component Interface |
| PCI | Procedure Change Unit |
| PCI | Production Configuration Identification |
| PCI | Program Control Input |
| PCIL | Pilot-Controlled Instrument Landing |