| Acronym | Meaning |
| O/L | Overload |
| SRR | Software Requirements Review |
| LUS | Liquid Upper Stage |
| MPVA | Main Propellant Valve Actuator |
| SRSS | Shuttle Range Safety System |
| HUDE | Head Up Display Electronics |
| G&A | General And Administrative |
| FEDP | Facility And Equipment Design Plan |
| ESS | Experiment Subsystem Simulator |
| CICU | Communication Interface Control Unit |