| Acronym | Meaning |
 | ORFEUS | Orbiting And Retrievable Far And Extreme Ultraviolet Spectrometer |
| FHST | Fixed Head Star Trackers |
| NICMOS | Near Infrared Camera/Multi Object Spectrometer |
| CBR | Cosmic Background Radiation |
| PRTLS | Powered RTLS |
| JILA | Joint Institute For Laboratory Astrophysics |
| MFV | Main Fuel Valve |
| SARA | Satellite Pour Astronomie Radio Amateur |
| SEM | Space Environment Monitor |
| WTR | Western Test Range |
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