| Acronym | Meaning |
| TIC | Technical Information Center |
| K-SPN | KSC Shuttle Project Notice |
| FCOS | Flight Control Operating System |
| DF | Direction Finder (Finding) |
| TSC | Test Support Coordinator |
| LDMK | Landmark |
| INTERFACE | CInterface COmPatibility Record |
| SEB | Support Equipment Building |
| S/P | Serial To Parallel |
| OTEMP | Overtemperature |