| Acronym | Meaning |
| HLD | Hold |
| SCD | Source Control Document |
| FQI | Flight Qualification Instrumentation |
| LNCH | Launch |
| SB | Synchronization Base |
| IARS | Independent Air Revitalization System |
| HSP | Health Stabilization Program |
| SPPIL | Shuttle Preferred Pyrotechnic Items List |
| SEM | Scanning Electron Microscope |
| EL | Entry Interface |