| Acronym | Meaning |
| GIM | Generalized Information Management |
| TPS | Thermal Protection Subsystem |
| SAA | South Atlantic Anomaly |
| DP&S | Data Processi.ng And Software |
| SSME | Space Shuttle Main Engine |
| FMA | Failure Mode Analysis |
| MGVT | Mated Ground Vibration Test |
| WB | Waterboiler |
| TE | Trailing Edge |
| ISC | Johnson Space Center (formerly MSC) |