| Acronym | Meaning |
 | SPS | Service Propulsion Subsystem |
| SDRD | SuPplier Data Requirements Description |
| SODB | Shuttle Operational Data Book |
| ERB | Engineering Review Board |
| ETS | External Tank System (Subsystem) |
| PSM | Pyro Substitute Monitor |
| PM | PMADPerformance Monitor Annunciation Driver |
| GEOSEPS | Geosynchronous Solar Electric Propulsion Stage |
| TAP | Test Administration Plan |
| GCC | Ground Control Center |
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