| Acronym | Meaning |
| SPD | R Software Preliminary Design Review |
| THOUS | Thousarid |
| SUB | Substitute |
| RFI | Radio Frequency Interference |
| SCAMA | Station Conferencing And Monitoring Arrangement |
| MPLN | Maintenance Planning (Data Base) |
| LSAP | Launch Sequence Applications Program |
| FC | Flight Control |
| PMP | Performance Management Package |
| LRSI | Low Temperature Reusable Surface Insulation |