| Acronym | Meaning |
| GAC | Ground Attitude Control |
| FOP | Flight Operations Plan |
| PBS | Protective Breathing System |
| CIM | Computer Input Multiplexer |
| PDC | Predefined Command |
| DBGMP | DBSData Base System |
| SLRV | Shuttle Launched Research Vehicle |
| GCHX | Ground Cooling Heat Exchanger |
| GPTE | General Purpose Test Equipment |
| TICM | Test Interface And Control Module |