| Acronym | Meaning |
| MMD | Mass Median Diameter |
| AWDP | Aviation Weather Development Program |
| C++ | An Object-oriented Programming Language Based On C |
| ASEP | Accident Sequence Evaluation Program |
| GCMC | Global Climate Modeling Group |
| NCP | Network Control Program |
| FHWA | Federal Highway Administration |
| AFV | Armored Fighting Vehicle |
| DTF | Development And Test Facility |
| I&T | Integration And Test |