| Acronym | Meaning |
| SSPPSG | Space Shuttle Payload Planning Steering Group |
| RTIF | Real-Time Interface |
| MRL | Manipulator Retention Latch |
| PLS | Primary Landing Site |
| SCD | Specification Control Document |
| RHCM | Relative Humidity Control/Monitor |
| SAVER | Shuttle Avionics Verification And Evaluation |
| OALC | Ogden Air Logistics Center |
| RCP | Radiation Constraints Panel |
| TNL | Tunnel |