| Acronym | Meaning |
| TOS | Transfer Orbit Stage |
| MODE | Middeck Zero-Gravity Dynamics Experiment |
| GRO | Gamma Ray Observatory |
| COMSAT | Communications Satellite (Corporation) |
| WUPPE | Wisconsin Ultraviolet PhotoPolarimter Experiment |
| MNRAS | Monthly Notices Of The Royal Astronomical Society |
| GLOMR | Global Low-Orbiting Message Relay |
| LHA | Local Hour Angle |
| DDTE | Design |
| TSM | Tail Service Mast |