| Acronym | Meaning |
| NESDIS | National Environmental Satellite Data And Information Service. |
| RSN | Radio SuperNova |
| FFCC | Free-Flyer Control Centre |
| TRMM | Tropical Rainfall Measuring Mission |
| VICAR | Graphics Format Used By JPL |
| LPV | Long Period Variable |
| DCX | Delta Clipper EXperimental |
| SAR | Search And Rescue / Synthetic Aperture Radar |
| GEODSS | Ground-based Electro-optical Deep-space Surveillance System |
| IMU | Inertial Measurement Unit |