| Acronym | Meaning |
 | ESO | European Southern Observatory |
| VOIR | Venus Orbiting Imaging Radar |
| TSS | Targeted Search System / Tethered Satellite System |
| CSM | Command And Service Module |
| PEM | Particle Environment Monitor |
| AFP | Air Force Program |
| RCI | Rodent Cage Interface |
| STIS | Space Telescope Imaging Spectrometer |
| STARCAL | Star Calibration |
| UT | Universal Time |
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