| Acronym | Meaning |
| MBA | MB Associates |
| METROMEX | Metropolitan Meteorological Experiment |
| LEST | Large Earth-Based Solar Telescope |
| MTBF | Mean Time Between Failure |
| OAR | Office Of Aerospace Research |
| AER | Average Evoked Response |
| N/A OR NA | Not Applicable |
| NCGIA | National Center For Geographic Information And Analysis |
| BGS | Biogeosciences Initiative |
| AXAF | Advanced X-ray Astrophysics Facility |