| Acronym | Meaning |
| PID | Program Information Document |
| DCN | Design Change Notice |
| LF | Launch Facility |
| LSF | Laboratory Simulation Facility |
| TPS | Thermal Protection System (SR[3 |
| RSS | Rotating Service Structure |
| MDM | Manipulator Deployment Mechanism |
| RAPS | Right AFT Propulsion System |
| GATT | Gate Assisted Turnoff Thyristor |
| I | FIntermediate Frequency |