| Acronym | Meaning |
 | EVMU | Extra Vehicular Mobility Unit |
| HIPO | Hierarchical Input/Process Output |
| MM | Mission Manager |
| OPGUID | OPtimum Guidance (Technique) |
| MDCS | Material Data Collection System |
| QRS | Quick-Reaction Sortie |
| NORMAL | LoadNormal Load Factor (g) |
| OM | Orbital Maneuvering Engine |
| FRF | Flight Readiness Firing |
| MMU | Manned Maneuvering Unit |
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