| Acronym | Meaning |
 | SWAN | Solar Wind Anisotropy Experiment |
| NORAD | NORth American Aerospace Defense |
| DOT | Department Of Transportation |
| RME | Radiation Monitoring Experiment |
| PLSS | Portable Life Support System |
| TSTO | Two Stage To Orbit |
| IOC | In-Orbit Checkout And Calibration |
| AMSR | Advanced Microwave Sounding Radiometer |
| FGS | Fine Guidance Sensors |
| JD | Julian Date; Julian Day (Number) |
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