| Acronym | Meaning |
 | COSTAR | Corrective Optics Space Telescope Axial Replacement |
| PVO | Pioneer Venus Orbiter / Protivo-Vosdushniya Oborona |
| DOT | Department Of Transportation |
| HPOTP | High Pressure Oxidizer Turbopump |
| SRM | Solid Rocket Motor |
| HLV | Heavy Lift Vehicle |
| ASCO | Arab Satellite Communications Organization |
| EOS | Earth Observing System |
| TAU | Thousand Astronomical Unit |
| IFEA | Integrated Furnace Experiment Assembly |
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