| Acronym | Meaning |
| SDM | Subsystem Design Manuals |
| MSCR | Measurement/Stimuli Change Request |
| MA | Maintenance (STS) |
| CCBD | Configuration Control Board Directive |
| EXO | Experiment Operator (in Spacelab) |
| SMRD | Spin Motor Rotational Detector |
| DNA | Does Not Apply |
| SCD | Specification Control Document |
| SEB | Support Equipment Building |
| GH2 | Gaseous Hydrogen |