| Acronym | Meaning |
 | ESCU | Extended Service And Cooling Umbilical |
| MTA | Major Test Article |
| GOCA | GrGOCAGround Operations Control Area |
| PVT | Pressure/Volume/Temperature |
| RIV | Recirculation Isolation Valve |
| BP | C&TCommunication And Tracking |
| GDC | General Dynamics Convair |
| SECS | Shuttle Events Control |
| DP/DT | Delta Pressure/delta Time |
| G&NS | Guidance And Navigation Subsystem |
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