| Acronym | Meaning |
| SPARTAN | Shuttle Pointed Autonomous Research Tool For Astronomy |
| SPS | Solar Power Satellite |
| GUGK | Glavnoye Upravileniye Geodesii I Kartografii |
| ETM | Enhanced Thematic Mapper |
| MFV | Main Fuel Valve |
| GOSAMR | Gelation Of Soils: Applied Microgravity Research |
| VOIR | Venus Orbiting Imaging Radar |
| SAT | Synthetic Aperture Telescope |
| GEODSS | Ground-based Electro-optical Deep-space Surveillance System |
| OTFE | Oscillatory Thermocapillary Flow Experiment |