| Acronym | Meaning |
 | BFS | Backup Flight System |
| MSFC | Marshall Space Flight Center |
| ESIS | European Space Information System |
| MTC | Man Tended Capability |
| PI | Principal Investigator |
| DSO | Detailed Supplementary Objective |
| RHC | Rotational Hand Controller |
| LARC | Langley Research Center |
| LDEF | Long Duration Exposure Facility |
| RME | Radiation Monitoring Experiment |
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