| Acronym | Meaning |
| TTCA | Thrust Translation Controller Assembly |
| SDSS | Space Division Shuttle Simulator |
| IACS | Inertial Attitude Control System |
| SLV | Space Launch Vehicle |
| MDDS | Material Directory Data Sheet |
| EGF | Electrical |
| ODU | Output Display Unit |
| SR | Scan Ratio |
| OD | Operations Directive |
| PRPS | Programming Requirements Process Specification |