| Abbreviation | Definition |
|---|---|
| PCSP | Pre-Configured Supply Packages |
| PCT | Personnel Control Team |
| PCTC | Pentagon Consolidated Telecommunications Center |
| PCTC | Pure Car and Truck Carrier |
| PCTOJ | Passive Correlation Track-on-Jam |
| PCU | Portable Computer Unit |
| PCU | Power Conversion Unit |
| PCU | Pre-Commissioning Unit |
| PCW | Politically Correct Warfare |
| PCW | Practice Clan War |
| PCW | Previously Complied With |
| PCWC2 | Post- Cold War Command and Control |
| PCWC2 | Post-Cold War Command and Control |
| PCZ | Protected Conflict Zone |
| Pd | Drift Compensated Parallelogram Pattern |
| PD | PD0 |
| PD | PD1 |
| PD | Per Diem |
| PD | Periscope Depth |
| PD | Point of Departure |