| Acronym | Meaning |
 | MCO | Mission Control Operations |
| HGDS | Hazardous Gas Detection System |
| FSD | Full Scale Development |
| OIA | Orbiter Interface Adapter |
| CRM | Chemical Release Module |
| SWAA | SPacelab Window Adapte |
| PDP | Postinsertion Deorbit Preparation |
| IBM | International Business Machines |
| ETSS | External Tank Separation Subsystem |
| SCB | Selector Control Box |
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