| Acronym | Meaning |
| GML | GeGMLGeneral Measurement Loop |
| PPI | Pulse Position Indicator |
| ATMOS | Atmospheric Trace Molecule Spectroscopy |
| CSAT | Combined Systems Acceptance Test |
| LFC | Large Format Camera |
| ESDAC | European Space Data Center (Darmstadt |
| GSIU | Ground Standard Interface Unit |
| LL | Lever Lock |
| SMD | Spacelab Mission DeveloPment |
| NL | NNL No Limit |