| Acronym | Meaning |
 | LC | Launch Complex |
| ADS | Aitken Double Star Catalog |
| ISY | International Space Year |
| ERS | Environmental Research Satellite |
| IMU | Inertial Measurement Unit |
| ATAL | Alternate Transoceanic Abort Landing |
| PTC | Passive Thermal Control |
| MRSRM | Mars Rover And Sample Return Mission |
| UFO | Unidentified Flying Object |
| CFHT | Canada-France-Hawaii Telescope |
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