| Abbreviation | Definition |
|---|---|
| Panamanian Defense Force | |
| Program Data Form | |
| PDFA | Planetary Defense Forces Alliance |
| PDFI | Probability of Detected Fault Isolation |
| PDG | Positional Data Graphic |
| PDHA | Post-Deployment Heath Assessment |
| PDHRA | Post-Deployment Health Re-Assessment |
| PDI | POM (Program Objectives Memorandum) Development Instructions |
| PDI | Product Data Interchange |
| PDI | Product Development and Improvement |
| PDIP | Program Development Increment Package |
| PDIS | Preparation for Dissemination |
| PDK | Poison Detection Kit |
| PDL | Point Defense Laser |
| PDL | Program Design Language |
| PDLC | Product Data Life Cycle |
| PDLCT | Product Data Life Cycle Team |
| PDM | Power Distribution Module |
| PDM | Precedence Diagramming Method |
| PDM | Product Data Management |