| Acronym | Meaning |
 | XUV | Extreme Ultraviolet |
| SWAS | Submillimeter Wave Astronomy Satellite |
| EDS | Electronic Data Systems |
| EDRS | European Data Relay Satellite |
| NTR | Nuclear Thermal Rocket(ry) |
| SSRMS | Space Station Remote Manipulator System |
| EGRET | Energetic Gamma Ray Experiment Telescope |
| CHARA | Center For High Angular Resolution Astronomy |
| MRSRM | Mars Rover And Sample Return Mission |
| CCRS | Canada Centre For Remote Sensing |
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