| Acronym | Meaning |
 | LEM | Lunar Excursion Module |
| ISO | Imaging Spectrometic Observatory |
| SEI | Space Exploration Initiative |
| CASCA | Canadian Astronomical Society |
| EDRS | European Data Relay Satellite |
| DLR | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt |
| ETR | Eastern Test Range |
| SSCE | Solid Surface Combustion Experiment |
| GIF | Graphics Interchange Format |
| GGM | Goskogidromet/Gidromettsentr |
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