| Acronym | Meaning |
| ELDO | European Launcher Development Organisation |
| VLBI | Very Long Baseline Interferometry |
| VPF | Vertical Processing Facility |
| WUPPE | Wisconsin Ultraviolet PhotoPolarimter Experiment |
| IBSS | Infrared Background Signature Survey |
| KPM | Kometen |
| LRB | Liquid Rocket Booster |
| PLSS | Portable Life Support System |
| HIRDLS | High Resolution Dynamics Limb Sounder |
| MB | Manned Base |