| Acronym | Meaning |
 | GSC | Guide Star Catalog |
| GNC | Guidance |
| PEM | Particle Environment Monitor |
| SMC | Small Magellanic Cloud |
| MODIS | Moderate Resolution Imaging Spectrometer |
| RMS | Remote Manipulator System |
| SSME | Space Shuttle Main Engine |
| CETA | Crew And Equipment Translation Aid |
| NSF | National Science Foundation |
| OARE | Orbital Acceleration Research Experiment |
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