| Acronym | Meaning |
| OSSE | Oriented Scintillation Spectrometer Experiment |
| GUGK | Glavnoye Upravileniye Geodesii I Kartografii |
| DFRF | Dryden Flight Research Facility |
| ASS | Antenna Support Structure |
| NESDIS | National Environmental Satellite Data And Information Service. |
| ACF | Automated Control Function |
| FAP | Freedom Attached Payloads |
| SEP | Societe Europeenne De Propulsion |
| VMS | Vertical Motion Simulator |
| GEO | Geosynchronous Earth Orbit |