| Acronym | Meaning |
 | NRAO | National Radio Astronomy Observatory |
| NIST | National Institute For Standards And Technology |
| CRIM | Commercial Refrigerator Incubator Module |
| CDDT | Countdown Demonstration Test |
| BECO | Booster Engine Cutoff |
| APE | Auroral Photography Experiment |
| MSU | Microwave Sounding Unit |
| MTPE | Mission To Planet Earth |
| CELSS | Controlled Ecological Life Support System |
| GR | General Relativity |
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