| Acronym | Meaning |
| VMS | Vertical Motion Simulator |
| RME | Radiation Monitoring Experiment |
| NORAD | NORth American Aerospace Defense |
| MMH | MonoMethyl Hydrazine |
| SSI | Solid-State Imager / Space Studies Institut |
| FOS | Faint Object Spectrograph |
| PN | Planetary Nebula |
| SLS | Space(lab) Life Sciences |
| GPC | General Purpose Computer |
| VTVL | Vertical Takeoff Vertical Landing |