| Abbreviation | Definition |
|---|---|
| PDFE | Programmable Data Formatter Engineer |
| PDH | Pocket Dosimeter-High |
| PDI | Payload Data Interleaver |
| PDI | Pre-Delivery Inspection |
| PDIP | Program Development Integration Plan |
| PDL | Pocket Dosimeter-Low |
| PDL | Procedure Distribution List |
| PDM | Processor Data Monitor |
| PDM | Pulse Duration Modulation |
| PDM/FM | Pulse Duration Modulation/Frequency Modulation |
| PDMR | Program Director's Management Review |
| PDMS | Payload Database Management System |
| PDP | Plasma Diagnostics Package |
| PDP | Postinsertion Deorbit Prep Checklist |
| PDP | Postinsertion Deorbit Preparation |
| PDP | Preliminary Definition Plan |
| PDP | Procurement Data Package |
| PDP | Program Development Plan |
| PDP | Project Definition Phase |
| PDR | Preliminary Data Requirements |