| Acronym | Meaning |
 | MSFN | Manned Space Flight Network |
| SOMS | Shuttle Orbiter Medical System |
| QCB | Queue Control Block |
| NRI | NonreCurring Investment |
| DFI | Development Flight Instrumentation |
| MUSAT | Canadian Government Satellite |
| MOPR | Mission Operations Planning Room |
| GHZ | Gigahertz |
| MAC | Maintenance Advisory Committee |
| CSOP | Crew Systems Operating Procedures |
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