| Acronym | Meaning |
| GMT | Greenwich Mean Time |
| SIR | Shuttle Imaging Radar |
| WIYN | Wisconsin/Indiana/Yale/NOAO Telescope |
| MMH | MonoMethyl Hydrazine |
| FUSE | Far Ultraviolet Spectroscopic Explorer |
| VEEGA | Venus-Earth-Earth Gravity Assist |
| ESRO | European Space Research Organisation |
| RESTEC | Remote Sensing Technology Center |
| HRDI | High Resolution Doppler Imager |
| SAREX | Search And Rescue Exercise / Shuttle Amateur Radio Experiment |