| Acronym | Meaning |
 | DRT | Design Reference Timeline |
| PKD | Programmable Keyboard And Display |
| PPB | Program Performance Baseline |
| EVCU | Extravehicular Communications Umbilical |
| US | Upper Stage |
| STBD | Starboard |
| OMSP | Operational Maintenance Support Plan |
| PDC | Predefined Command |
| HSL | Hardware Simulation Laboratory |
| STSOPO | Off Ice (JSC) |
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