| Acronym | Meaning |
 | SPOC | Shuttle Payload Operations Contractor |
| IFT | In-Flight Test |
| MSM | Manned SupportModule |
| SMRM | Solar Maximum Repair Mission |
| GCOS | Ground Computer Operating System |
| BASS | Backup Avionics System Software |
| NETWORK | ProNetwork Program |
| ILLUM | Illuminate |
| ECLSS | Environmental Control And Life Support System |
| CSD | LCharles Stark Draper Laboratory (MIT) |
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