| Acronym | Meaning |
 | NRO | National Reconnaissance Office |
| MRIR | Medium Resolution Infrared Radiometer |
| OARE | Orbital Acceleration Research Experiment |
| BIMA | Berkeley Illinois Maryland Array |
| MMT | Multiple Mirror Telescope |
| GMC | Giant Molecular Cloud |
| FPD | Flight Projects Directorate |
| CASSINI | Saturn Orbiter And Titan Probe |
| OPF | Orbiter Processing Facility |
| ESOC | European Space Operations Centre |
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