| Acronym | Meaning |
 | MDSSC | McDonnell Douglas Space Systems Corp |
| TRMM | Tropical Rainfall Measuring Mission |
| KB | Construction Bureau |
| ORFEUS | Orbiting And Retrievable Far And Extreme Ultraviolet Spectrometer |
| SOLSTICE | Solar Stellar Irradiance Comparison Experiment |
| HLV | Heavy Lift Vehicle |
| ISRO | Indian Space Research Organisation |
| CGF | Crystal Growth Furnace |
| MRSR | Mars Rover And Sample Return |
| PVO | Pioneer Venus Orbiter / Protivo-Vosdushniya Oborona |
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