| Acronym | Meaning |
| O AND A | Orbit And Altitude |
| MSI | Measurements |
| LIRIS | Loral IR Imaging System |
| GAINS | Global Air-ocean IN-situ System |
| ISO | International Standards Organization |
| GTE | Global Tropospheric Experiment |
| DCE | Distributed Computing Environment |
| LME | Layer Management Entity |
| RAS | Royal Astronomical Society |
| FMECA | Failure Modes Effects And Critical Analysis |