| Acronym | Meaning |
 | SEPAC | Space Experiments With Particle Accelerators |
| ACTS | Advanced Communications Technology Satellite |
| FPD | Flight Projects Directorate |
| GGM | Goskogidromet/Gidromettsentr |
| BFC | Backup Flight Computer |
| ORBI | Stock Ticker Symbol For OSC |
| ASTER | Advanced Spaceborne Thermal Emission And Reflection |
| IDA | International Dark-sky Association |
| GOMR | Global Ozone Monitoring Radiometer |
| HRSR | High-Resolution Scanning Radiometer |
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