| Acronym | Meaning |
 | SSRV | Solar-Sail Race Vehicle |
| NPOE | NPO Energiya |
| LEM | Lunar Excursion Module |
| ORBI | Stock Ticker Symbol For OSC |
| NESDIS | National Environmental Satellite Data And Information Service. |
| WFPC | Wide Field/Planetary Camera |
| NBS | National Bureau Of Standards |
| UFO | Unidentified Flying Object |
| CIRRIS | Cryogenic InfraRed Radiance Instrument For Shuttle |
| MAS | Millimeter-wave Atmospheric Sounder |
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