| Acronym | Meaning |
| BFC | Backup Flight Computer |
| CREAM | Cosmic Radiation Effects And Activatiom Monitor |
| CGRO | Compton Gamma Ray Observatory |
| AC | Atlas Centaur |
| FRED | Space Station Freedom |
| SAREX | Search And Rescue Exercise / Shuttle Amateur Radio Experiment |
| ORFEUS | Orbiting And Retrievable Far And Extreme Ultraviolet Spectrometer |
| ARTEMIS | Advanced Relay TEchnology MISsion |
| OSCAR | Orbiting Satellite Carrying Amateur Radio |
| GIF | Graphics Interchange Format |