| Acronym | Meaning |
| BIT | Built-in Test |
| NESS | National Earth Satellite Service |
| ENEA | Comitato Nazionale Per La Ricerca E Lo Sviluppo Dell' Energia Nucleare E Delle Energie Alternative |
| IMPROVE II | Improvement Of Cloud & Precipitation Physics In Mesoscale Models ? 2nd Generation |
| PDS | Planetary Data System |
| AOIPS | Atmospheric And Oceanographic Information Processing System |
| DOE/HQ | Department Of Energy Headquarters |
| SSU | Stratospheric Sounding Unit |
| SPEC | Scientific Programs Evaluation Committee |
| CDP | Community Data Portal |