| Acronym | Meaning |
| TIFS | Total In-Flight Simulator |
| SG | LSSpace Ground Link Station |
| PRSDS | Power Reactant Storage And Distribution System |
| LOS | Indian Ocean Ship (STDN) |
| ESI | Electrical System Integration |
| EMF | Electromotive Force |
| WAD | Work Authorization Document/Shop Order |
| VOX | Voice Operated Transmitter (Transmission) |
| TAM | Thermal Analytical Model |
| TSC | Test Setup Complete |