| Acronym | Meaning |
| MSCR | Measurement/Stimuli Change Request |
| GA&CS | Ground Acquisition And Command Station |
| CIDL | Configuration Item Data List |
| TRB | Technical Review Board |
| CHX | Cabin Heat Exchanger |
| NAVPOOL | Navigation Parameter Common Pool |
| O&C | Operation And Checkout |
| SMM | Subsystem Measurement Management |
| RC | Range Command |
| ATMOS | Atmospheric Trace Molecule Spectroscopy |