| Acronym | Meaning |
 | CR | Correlation Radiometer |
| DLR | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt |
| AU | Astronomical Unit |
| ANSI | American National Standards Institute |
| EROS | Earth Resources Observations System |
| EUVE | Extreme UltraViolet Explorer |
| ALDP | Advanced Launch Development Program |
| MMU | Manned Maneuvering Unit |
| JERS | Japanese Earth Resources Satellite |
| DC | Delta Clipper |
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