| Acronym | Meaning |
| IOTA | Infrared-Optical Telescope Array |
| ATCS | Active Thermal Control System |
| ELDO | European Launcher Development Organisation |
| TKSC | Tsukuba Space Center |
| EDOMP | EDO Medical Project |
| SUSIM | Solar Ultraviolet Spectral Irradiance Monitor |
| FOS | Faint Object Spectrograph |
| VLT | Very Large Telescope |
| OAO | Orbiting Astronomical Observatory |
| GOMR | Global Ozone Monitoring Radiometer |