| Acronym | Meaning |
 | LC | Launch Complex |
| LHA | Local Hour Angle |
| ELV | Expendable Launch Vehicle |
| HTHL | Horizontal Takeoff Horizontal Landing |
| NASDA | NAtional Space Development Agency |
| SSPF | Space Station Processing Facility |
| MISR | Multiangle Imaging Spectro-Radiometer |
| LY | Light Year (usu. Ly) |
| ET | Ephemeris Time |
| FWHM | Full Width At Half Maximum |
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