| Acronym | Meaning |
 | DFRF | Dryden Flight Research Facility |
| POEM | Polar Orbiting Earth Mission |
| MMU | Manned Maneuvering Unit |
| IAPPP | International Amateur/Professional Photoelectric Photometry |
| RHC | Rotational Hand Controller |
| PMS | Pre-Main Sequence |
| DOE | Department Of Energy |
| PSR | PulSaR |
| IDA | International Dark-sky Association |
| APE | Auroral Photography Experiment |
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