| Acronym | Meaning |
 | SPOT | Systeme Probatoire Pour L'Observation De La Terre |
| OMS | Orbital Maneuvering System |
| OPF | Orbiter Processing Facility |
| GBT | Green Bank Telescope |
| ORBI | Stock Ticker Symbol For OSC |
| VECO | Vernier Engine Cutoff |
| RSN | Radio SuperNova |
| WSMR | White Sands Missile Range |
| CNSR | Comet Nucleus Sample Return |
| CTIO | Cerro Tololo Interamerican Observatory |
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