| Acronym | Meaning |
 | PCGG | PCG Glovebox |
| SME | Solar Mesosphere Explorer |
| VEEGA | Venus-Earth-Earth Gravity Assist |
| RAE | Royal Aerospace Establishment |
| RF | Radio Frequency |
| NPOE | NPO Energiya |
| POEM | Polar Orbiting Earth Mission |
| CNES | Centre National D'Etude Spatiales |
| LEST | Large Earth-based Solar Telescope |
| PI | Principal Investigator |
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