| Acronym | Meaning |
| EMO | Elk Mountain Observatory |
| ICC | Instrument Control Center |
| FE | Front-end |
| ATSD | Assistant To The Secretary Of Defense |
| LTER | Long Term Ecological Research |
| ARIS | Airborne Research Instrumentation System |
| AIF | Atomic Industrial Health Forum |
| DASM | Design And Analysis Support Model |
| POISE-98 | POlarimetric Instrument For Solar Eclipse-98 |
| UID | User Identification |