| Acronym | Meaning |
 | ACRV | Assured Crew Return Vehicle |
| APL | Applied Physics Laboratory (at Johns Hopkins) |
| FRED | Space Station Freedom |
| ATCS | Active Thermal Control System |
| VLT | Very Large Telescope |
| EROS | Earth Resources Observations System |
| LDEF | Long Duration Exposure Facility |
| VHF | Very High Frequency |
| IPS | Inertial Pointing System |
| CCRS | Canada Centre For Remote Sensing |
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