| 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 |