| Acronym | Meaning |
| IPS | Interrange Instrumentation Group |
| SVO | Space Vehicle Operations (KSC Dir.) |
| ASSY | Assembly |
| TIFS | Total In-Flight Simulator |
| OIV | Oxidizer Isolation Valve |
| LG | Length |
| GPBIM | General Purpose Buffer Interface Module |
| LSPDF | Life Science Payloads Development Facility |
| CRSVR | Crossover |
| SODS | Skylab Orbit-Deorbit System |