| Acronym | Meaning |
| BFS | Backup Flight System |
| ISY | International Space Year |
| DCA | Defense Communications Agency |
| VMS | Vertical Motion Simulator |
| TOMS | Total Ozone Mapping Spectrometer |
| LH | Liquid Hydrogen |
| BMFT | Bundesministerium Fuer Forschung Und Technologie |
| SSI | Solid-State Imager / Space Studies Institut |
| UVS | Ultraviolet Spectrometer |
| WD | White Dwarf |