| Abbreviation | Definition |
|---|---|
| PDW | Personal Defense Weapons |
| PDW | Professional Development Workshop |
| PDW | Proposal Development Worksheet |
| PDWS | Point Defense Weapon System |
| PDY | Present for Duty |
| PE | Peace Enforcement |
| PE | Personal Effects |
| PE | Planning Element |
| PE | Planning Estimate |
| PE | Practical Exercise |
| PE | Predictive Environment |
| PE | Procurement Executive |
| PE | Program Element |
| PE&M | Patient Evacuation and Mortality (Report) |
| PEA | Preliminary Endangerment Assessment |
| PEACE | Pirates Expeditionary Armada And Chironian Explorers |
| PEACE | Production Expansion/Acceleration Capability Enhancement |
| PEAS | Psychological Operations (PSYOP) Effects Analysis Subsystem |
| PEB | Physical Evaluation Board |
| PEBD | Pay Entry Base Date |