| Acronym | Meaning |
 | E | Elliptical (for Galaxies) |
| BNSC | British National Space Centre |
| INMARSAT | International Maritime Satellite |
| CR | Correlation Radiometer |
| SBIR | Small Business Innovation Research |
| SSPF | Space Station Processing Facility |
| MB | Manned Base |
| ML | Mobile Launcher |
| AAS | American Astronomical Society |
| ISAMS | Improved Stratospheric And Mesospheric Sounder |
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