| Acronym | Meaning |
| MMI | Man-made Interface |
| EM | Engineering Model |
| ALPR | Argonne Low Power Reactor |
| TIDI | TIMED Doppler Interferometer |
| STSP | Solar Terrestrial Science Programme |
| ASCENT | Atmospheric Sounding |
| ESDD | Earth Science Data Directory |
| APLJHU | Applied Physics Laboratory John Hopkins University |
| ICD | Interface Control Document |
| DARE-1 | A Weather Service Work Station At PROFS |