| Acronym | Meaning |
| LC | Intercommunications |
| OOD | OrbiterOn-Dock |
| EOS | Earth Observation Satellite |
| FA | Final Assembly |
| ESVS | Escape System Ventilation System |
| BD | Board |
| FIFO | First In-First Out (High Speed Data Buffers) |
| RTSF | Real-Time Simulation Facility |
| UMVF | Unmanned Vertical Flight |
| TRA | Training Requirei-nents Analysis |