| Acronym | Meaning |
| ENEA | Comitato Nazionale Per La Ricerca E Lo Sviluppo Dell' Energia Nucleare E Delle Energie Alternative |
| ASTEX | Atlantic Stratocumulus Transition Experiment |
| TEB | Tropical Experiment Board |
| FS | Flight Segment |
| I&T | Integration And Test |
| JMG | Joint Meteorological Group |
| MUG | McIDAS Users Group |
| CDE | Common Desktop Environment |
| LST | Large Space Telescope |
| LRC | Langley Research Center |