| Acronym | Meaning |
| NSGT | NASA Ground Terminal |
| MEC | Main Engine Controller |
| RPTA | Rudder Pedal Transducer Assembly |
| PLSS | Primary Life SuPport Subsystem |
| HPOTP | High Pressure Oxidizer Turbopump |
| PPM | EPacific Plate Motion Experiment |
| MSLD | Mass Spectrometer Leak Detector |
| MVC | Master VolumeControl |
| TP | True Position |
| SPACE | Spacecraft Prelaunch Automatic Checkout Equipment |