| Acronym | Meaning |
| BRASS | Basic Rapid Alarm Security System |
| POSIX | Portable Operating System Interface For Computer Environments |
| ENEA | Comitato Nazionale Per La Ricerca E Lo Sviluppo Dell' Energia Nucleare E Delle Energie Alternative |
| DTC | Office Of Defense Trade Controls |
| ICO | Initial Operating Capability |
| HSC | High Speed Channel |
| GRD | Geophysics Research Directorate |
| LSD | Large-scale Dynamics |
| AIX | Advanced Interactive Executive |
| GLAS | Goddard Laboratory For Atmospheric Science |