| Acronym | Meaning |
 | CIT | Circumstellar Imaging Telescope |
| OCTS | Ocean Color And Temperature Scanner |
| ARC | Ames Research Center (NASA) |
| FHST | Fixed Head Star Trackers |
| FITS | Flexible Image Transport System |
| IAU | International Astronomical Union |
| SRM | Solid Rocket Motor |
| IR | InfraRed |
| FEM | Flight-Engineering Model |
| OMDP | Orbiter Maintenance Down Period |
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