| Acronym | Meaning |
 | EVMU | Extra Vehicular Mobility Unit |
| MCT | Maximum Climb Thrust |
| ETS | External Tank System (Subsystem) |
| GCN | Ground Communications Network (A/G Worldwide Net) |
| PC | Printed Circuit (Card) |
| OSSA | Office Of Space Science And Applications |
| RHSC | Right Hand Side Console |
| GSSA | Ground Support Systems Activation |
| RSF | Receiving-Safing Facility |
| SMS | Shuttle Mission Simulator |
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