| Acronym | Meaning |
 | PLB | Payload Bay |
| BAI | Barometric Altitude Indicator |
| ATMOS | Atmospheric Trace Molecule Spectroscopy |
| STC | Satellite Test Center |
| PLT | Pilot |
| SMB | Space Meteorology Branch |
| SCS | Spacecraft Control System |
| TRI | Payload Furnished Mars Tape Recorder (1 Of 2) |
| STADN | Space Tracking And Acquisition Network |
| PPCO2 | Partial Pressure CO2 |
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