| Acronym | Meaning |
 | EOS | Extended Operating System |
| SSTC | Space Shuttle Test Conductor |
| INERTIAL | GuInertial Guidance |
| ECP | Engineering Change Program |
| SPA | Signal Processor Assembly |
| QTR | Qualification Test Report |
| PGHM | Payload Ground Handling Mechanism |
| TMPRY | Temporary |
| OPSR | Operations Supervisor (GSTDN Site) |
| M/S | Measurement Stimuli |
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