| Acronym | Meaning |
 | SSF | Space Station Freedom |
| SNG | Sodruzhestva Nezabisimikh Gosudarst |
| CASSINI | Saturn Orbiter And Titan Probe |
| AEPI | Atmospheric Emissions Photometric Imaging |
| IPMP | Investigations Into Polymer Membrane Processing |
| ETE | End-to-End |
| KTB | Cretaceous-Tertiary Boundary |
| IGY | International Geophysical Year |
| CRL | Communication Research Lab |
| BFS | Backup Flight System |
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