| Acronym | Meaning |
| DACS | DATA Acquisition And Control Subsystem |
| OGO | Orbiting Geosurvey Observatories |
| IMU | Inertial Measurement Unit |
| PRTLS | Powered RTLS |
| CIRRIS | Cryogenic InfraRed Radiance Instrument For Shuttle |
| CHARA | Center For High Angular Resolution Astronomy |
| TES | Thermal Emission Spectrometer |
| ISY | International Space Year |
| CIS | Commonwealth Of Independent States |
| JILA | Joint Institute For Laboratory Astrophysics |