| Acronym | Meaning |
 | TSPK | Tsentr Podgotovka Kosmonavti |
| NDV | NASP Derived Vehicle |
| CNES | Centre National D'Etude Spatiales |
| AF | Air Force |
| DMR | Differential Microwave Radiometer |
| VTHL | Vertical Takeoff Horizontal Landing |
| E | Elliptical (for Galaxies) |
| TDRSS | Tracking And Data Relay Satellite System |
| CATS | Cheap Access To Space |
| AFGWC | Air Force Global Weather Center |
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