| Acronym | Meaning |
 | ATAL | Alternate Transoceanic Abort Landing |
| USMC | United States Marine Corps |
| ESO | European Southern Observatory |
| GTO | Geostationary Transfer Orbit |
| FUSE | Far Ultraviolet Spectroscopic Explorer |
| SEI | Space Exploration Initiative |
| SHARE | Space Station Heat Pipe Advanced Radiator Element |
| MRSR | Mars Rover And Sample Return |
| LST | Local Sidereal Time |
| SEST | Swedish ESO Submillimeter Telescope |
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