| Acronym | Meaning |
 | CFF | Columbus Free Flyer |
| VAS | VISSR Atmospheric Sounder |
| FFT | Fast Fourier Transform |
| RKA | Rossiskoye Kosmicheskoye Agentsvo |
| VLBI | Very Long Baseline Interferometry |
| SMM | Solar Maximum Mission |
| DOD | Department Of Defense |
| CNES | Centre National D'Etude Spatiales |
| IDA | International Dark-sky Association |
| NASDA | NAtional Space Development Agency |
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