| Acronym | Meaning |
| PI | P?li Language (ISO 639-1 Code) |
| ER | Erbium |
| NAPDD | Non-Acquisition Program Definition Document (nap-dee-dee) |
| ACOG | American College Of Obstetricians And Gynecologists |
| RPS | Revolutions Per Second |
| N | Nano |
| NE | Nepali Language (ISO 639-1 Code) |
| PAYD | Pay As You Drive |
| ANGLICO | Air/Naval Gunfire Liaison Company |
| USTRANSCOM | United States Transportation Command |