| Acronym | Meaning |
 | FRC | Flight Research Center |
| SLAR | Side-Looking Airborne Radar |
| SARA | Satellite Pour Astronomie Radio Amateur |
| XMM | X-ray Multi Mirror |
| HIRS | High Resolution Infrared Radiation Sounder |
| STIS | Space Telescope Imaging Spectrometer |
| CFHT | Canada-France-Hawaii Telescope |
| ISPM | International Solar Polar Mission |
| SEPAC | Space Experiments With Particle Accelerators |
| SETI | Search For ExtraTerrestrial Intelligence |
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