| Acronym | Meaning |
| MTM | Methods Time Measurement |
| SOCH | Spacelab Orbiter Common Hardware |
| RFC | Request For Change Revolution |
| PAX | Passengers |
| DMS | Docking Mechanism System (Subsystem) |
| MPG | Multipoint Grounding |
| SAAMA | San Antonio Air Material Area |
| PTMS | Precision Torque Measuring System |
| PSE | Payload Support Equipment |
| EIR | Environmental Impact Report |