| Acronym | Meaning |
 | DFVLR | Deutsche Forschungs-und Versuchsanstalt Luft-u |
| FCIT | First Computer Interface Tester |
| SISWG | STS Integrated Schedule Working Group |
| EWR | Engineering Work Request |
| ERSIR | Earth Resources Shuttle Imaging Radar |
| MECA | Main Engine Controller Assembly |
| REF | Refurbish |
| TVC | Thrust Vector Control |
| PFC | Preliminary Flight Certification |
| LEB | Lower Equipment Bay |
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