| Acronym | Meaning |
| SAB | Spacecraft Assembly Building |
| MIC | Management Information Center |
| RTTV | Real-Time Television |
| LPS | Launch Processing (Processor) System |
| BMMD | Body Mass Measuring Device |
| SI | Scientific Instrument |
| CC | Cost Center |
| FV | FlighL Version |
| OMMH | Orbiter Maintenance Man-Hours |
| IPS | IRIS Italian Research Interim Stage |