| Acronym | Meaning |
 | ENAC | Energetic Neutral Atom Camera |
| RTLS | Return To Launch Site |
| MSFC | Marshall Space Flight Center |
| CDM | Cold Dark Matter |
| UBM | Unpressurized Berthing Mechanism |
| SAGA | Solar Array Gain Augmentation |
| GMC | Giant Molecular Cloud |
| HRSC | High Resolution Stereo Camera |
| SAT | Synthetic Aperture Telescope |
| JERS | Japanese Earth Resources Satellite |
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