| Acronym | Meaning |
 | CNSR | Comet Nucleus Sample Return |
| RCT | Radiometric Calibration Target |
| NRO | National Reconnaissance Office |
| RSN | Radio SuperNova |
| NAS | Numerical Aerodynamic Simulation |
| NACA | National Advisory Committee On Aeronautics |
| SAO | Smithsonian Astrophysical Observatory |
| IMU | Inertial Measurement Unit |
| SEI | Space Exploration Initiative |
| NASA | National Aeronautics And Space Administration |
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