| Acronym | Meaning |
| SSCHS | Space Shuttle Cargo Handling System |
| CCATS | Command |
| TARC | Through Axis Rotational Control |
| S/AC | Stabilization/Attitude Control |
| EXT | Experiment Terminal (Operator Console On Spacelab) |
| FCPS | Fuel Cell Power System (Subsystem) |
| ELS | Earth Landing System (Subsystem) |
| INNER | GlideInner Glideslope |
| B/C | Bench Check |
| SENS | Sensitivity |