| Acronym | Meaning |
| T/L | Transformer Load |
| MIS | Manipulator Jettison System (Subsystem) |
| M/LR | Maintenance Loop Recorder |
| AMF | Astronaut Memorial Foundation |
| SLAK | Spacelab Late Access Kit |
| SAA | Safety Assurance Analysis |
| RAUIS | Remote Acquisition Unit Interconnecting Station |
| MFT | Mean Flight Time |
| TSS | Tug Structural Support |
| RIF | Relative Importance Factor |