| Acronym | Meaning |
| RVR | Runway Visible (or Visual) Range |
| PSS | Propulsion Support System |
| LL | Launch Left |
| NOT | SwitchaNot Switchable |
| DV | Differential Velocity |
| RJD | Reaction Jet Driver |
| K-SLPS | KSC Spacelab Project Specification |
| ISI | Instrumentation Support Instruction |
| MEAS | Measuring |
| POCC | Payload Operations Control Center |