| Acronym | Meaning |
 | USAF | United States Air Force |
| SEP | Societe Europeenne De Propulsion |
| MRO | Memory Read-Out |
| ECS | Environmental Control System |
| EUMETSAT | European Meterological Satellite Organisation |
| S/C | SpaceCraft |
| SB | Spiral |
| IAPPP | International Amateur/Professional Photoelectric Photometry |
| RVSN | Raketniye Voiska Stratigcheskovo Naznacheniya |
| OCGF | Organic Crystal Growth Facility |
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