| Acronym | Meaning |
 | MTFF | Columbus Man-Tended Free-Flyer |
| KTB | Cretaceous-Tertiary Boundary |
| AACS | Attitude And Articulation Control Subsystem |
| SAR | Search And Rescue / Synthetic Aperture Radar |
| ISZ | Iskusstvenniy Sputnik Zemli |
| NOAA | National Oceanic And Atmospheric Administration |
| ISTS | Institute For Space And Terrestrial Science |
| ETR | Eastern Test Range |
| MRO | Memory Read-Out |
| ML | Mobile Launcher |
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