| Acronym | Meaning |
| ENVISAT | European Environmental Satellite |
| OPENDAP | Open-source Project For A Network Data Access Protocol |
| HRT | High Rate Tape |
| FDF | Flight Dynamics Facility |
| MFM | Standard Hard Drives |
| CAL | Cray Assembly Language |
| ASNT | American Society For Nondestructive Testing |
| FSDR | Final System Design Review |
| AACS | Airborne Activity Confinement System |
| AO | Abnormal Occurrence |