| Acronym | Meaning |
 | SOP | Standard Operating Procedure |
| OT&E | Operational Test And Evaluation |
| PDR | Preliminary Design Review |
| CPL | Couple |
| CDU | Coupling Display Unit |
| HRDR | High Rate Digital Recorder |
| SPA | Signal Processor Assembly |
| SSC | Shuttle System Contractor |
| RSVR | Reservoir |
| N/C | Numerical Control |
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