| Acronym | Meaning |
 | ET | External Tank |
| CWA | Clean Work Area |
| OSTA | Office Of Space And Terrestrial Application(s) |
| CSOC | Consolidated Space Operations Center |
| MTTFF | Mean Time To First Failure |
| MOD | Mission Operations Director |
| RCCP | Recorder And Communications Control Panel |
| BAC | Boeing Aircraft Company |
| OPTB | Operational Program Time Base |
| SCU | Signal Conditioning Unit |
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