| Acronym | Meaning |
 | NRSC | National Remote Sensing Centre |
| DARPA | Defense Advanced Research Projects Agency |
| EMU | Extravehicular Mobility Unit |
| MB | Manned Base |
| GEODSS | Ground-based Electro-optical Deep-space Surveillance System |
| USO | Ultra-Stable Oscillator |
| PMIRR | Pressure Modulated InfraRed Radiometer |
| USML | United States Microgravity Laboratory |
| FOLD | Federally-Owned LANDSAT Data |
| EUVE | Extreme UltraViolet Explorer |
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