| Acronym | Meaning |
 | DLR | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt |
| ISY | International Space Year |
| NSO | National Solar Observatory |
| NASP | National AeroSpace Plane |
| CPCG | Commercial Protein Crystal Growth |
| HRI | High Resolution Imager |
| IDA | International Dark-sky Association |
| TDRS | Tracking And Data Relay Satellite |
| CCSDS | Consultative Committee For Space Data Systems |
| SEPAC | Space Experiments With Particle Accelerators |
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