| Acronym | Meaning |
 | SLAR | Side-Looking Airborne Radar |
| RTG | Radioisotope Thermoelectric Generator |
| NOAO | National Optical Astronomy Observatories |
| IAPPP | International Amateur/Professional Photoelectric Photometry |
| CFC | ChloroFluoroCarbon |
| IOTA | Infrared-Optical Telescope Array |
| PLBD | Payload Bay Doors |
| SEM | Space Environment Monitor |
| EAFB | Edwards Air Force Base |
| EGRET | Energetic Gamma Ray Experiment Telescope |
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