| Acronym | Meaning |
| FAST | Fast Auroral SnapshoT Explorer |
| DPSS | DATA Processing Services Subsystem |
| IOA | Institute Of Astronomy (Cambridge) |
| HRMS | High Resolution Microwave Survey |
| ESIS | European Space Information System |
| ATMOS | Atmospheric Trace Molecule Spectroscopy |
| RCS | Reaction Control System / Revision Control System |
| XMM | X-ray Multi Mirror |
| WSGT | White Sands Ground Terminal |
| MOPITT | Measurements Of Pollution In The Troposphere |