| Acronym | Meaning |
 | GUGK | Glavnoye Upravileniye Geodesii I Kartografii |
| ESTEC | European Space Research And Technology Centre |
| GAS | Get-Away Special |
| IUS | Inertial Upper Stage |
| SSRV | Solar-Sail Race Vehicle |
| LERC | Lewis Research Center |
| WINDII | Wind Imaging Interferometer |
| ESO | European Southern Observatory |
| ORBI | Stock Ticker Symbol For OSC |
| PARE | Physiological And Anatomical Rodent Experiment |
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