| Acronym | Meaning |
 | IMO | International Meteor Organization |
| USAF | United States Air Force |
| TOMS | Total Ozone Mapping Spectrometer |
| NASM | National Air And Space Museum |
| GST | Greenwich Sidereal Time |
| MRSR | Mars Rover And Sample Return |
| PM | Pressurized Module |
| FOS | Faint Object Spectrograph |
| SSPO | Space Shuttle Program Office |
| VLBA | Very Long Baseline Array |
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