| Acronym | Meaning |
| LMC | Large Magellanic Cloud |
| TWTA | Travelling Wave Tube Amplifier |
| WINDII | Wind Imaging Interferometer |
| GRS | Gamma Ray Spectrometer |
| CSTC | Consolidated Satellite Test Center |
| VLBA | Very Long Baseline Array |
| SEP | Societe Europeenne De Propulsion |
| TPCE | Tank Pressure Control Experiment |
| MOC | Mars Observer Camera |
| JCMT | James Clerk Maxwell Telescope |