| Acronym | Meaning |
| RTC | Real-time Command |
| CVAD | Converter |
| CAP | CCMS Application Programs |
| GETI | Ground Elapsed Time Of Ignition |
| TRANSL | Translation |
| ETSS | External Tank Separation Subsystem |
| SCCH | Standard Cubic Centimeters-per Hour |
| MAGSAT | Magnetometer Satellite |
| G | LOW Ground Lift-Off Weight |
| IOSC | Integrated Operations Support Center |