| Acronym | Meaning |
| ISTA | Intertank Structural Test Assembly |
| ELDV | Electrically Operated Depressurization Valve |
| FLSC | Flexible Linear Shaped Charge |
| ILA | Instrument Landing Approach |
| SORPTR | South Repeater |
| TAC | Tactical Air Command |
| SIE | Shuttle Interface Equipment Services |
| RECON | Remote Console |
| GHC | Ground Half Coupling |
| TRS | Teleoperator Retrieval System |