| Acronym | Meaning |
| SRS | Simulated Remote Station |
| UPS | Uninterruptible Power Supply |
| LSR | Land Sea Rescue |
| GCU | Ground Cooling Unit |
| PCVB | Pyro Continuity Verification Box |
| MEIU | Main Engine Interface Unit |
| NAVPOOL | Navigation Parameter Common Pool |
| PMM | Property Management Manual |
| HGM | Hot-Gas Manifold |
| VDS | Vehicle Dynamics Simulator |