| Acronym | Meaning |
 | EROS | Earth Resources Observations System |
| CG | Center Of Gravity |
| IRFNA | Inhibited Red Fuming Nitric Acid |
| AAVSO | American Association Of Variable Star Observers |
| USML | United States Microgravity Laboratory |
| RF | Radio Frequency |
| PLB | Payload Bay |
| CDDT | Countdown Demonstration Test |
| NORAD | NORth American Aerospace Defense |
| ECS | Environmental Control System |
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