| Acronym | Meaning |
| URA | Urine Receptacle Assembly |
| STRCH | Stretch |
| MPLN | Maintenance Planning (Data Base) |
| SA | Support Area |
| OMEWG | Orbiter Maintenance Engineering Working Group |
| BFCS | Backup Flight Control System |
| L/T | Load Test |
| PCR | Project Control Room |
| GECALL | GCOS Program Element Name |
| ESS | Equipment Support Section |