| Acronym | Meaning |
| AC | Atlas Centaur |
| AGE | Auxiliary Ground Equipment |
| DSN | Deep Space Network |
| APT | Automatic Picture Transmission |
| GOX | Gaseous OXygen |
| EUVE | Extreme UltraViolet Explorer |
| MODIS | Moderate Resolution Imaging Spectrometer |
| SAMS | Space Acceleration Measurement System |
| STARCAL | Star Calibration |
| TOPEX | Ocean Topography Experiment |