| Acronym | Meaning |
 | MEI | Master Inspection Item |
| PRS | Payload Retention Subsystem |
| OVCO | Operational Voice Communication Office |
| SPIAP | Shuttle/Payload Integration Activities Plan |
| PC | Chamber Pressure |
| ET | External Tank |
| SYNCOM | Hughes Spin Stabilized Spacecraft |
| TRBL | Troubleshooting |
| CAM | Content Addressable Memory |
| CSI | Coelliptic Sequence Initiation |
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