| Acronym | Meaning |
| MAC | Maximum Concentration Of Organics |
| RAAB | Remote Amplifier Acquisition And Advisory Box |
| PSI | Power Static Inverter |
| SUMS | Shuttle Upper Atmosphere Mass Spectrometer |
| SRM | Solid Rocket Motor |
| DARS | Data Acquisition And Reduction System |
| R | ETSReconfigurable Electrical Test Stand |
| OPL | Operational |
| UMB | Umbilical |
| CAM | Computer Annunciation Matrix |