| Acronym | Meaning |
| MDRS | Mission Data Retrieval System |
| DBGMP | DBIAData Bus Interface Adapter |
| OB | Onboard |
| PAE | Preventive Action Engineer |
| FSR | Final System Release |
| LAIU | Launch Abort Interface Unit |
| LV | Limit Value |
| PCR | Power Change Request |
| FLEX | Flexible |
| SUMS | Shuttle Upper-Atmosphere Mass Spectrometer |