| Acronym | Meaning |
 | SSMECA | Space Shuttle Main Engine Controller Assembly |
| PCMMU | Pulse-Code Modulation Master Unit |
| C | OfF Construction Of Facilities |
| SPL | Sound Pressure Level |
| TPM | Terminal Phase Midcourse |
| RCDP | Record Parallel |
| PF | Parachute Facility |
| SBTC | Speed Brake/thrust Controller |
| TRANS | Transition |
| AFTE | Autogenic Feedback Training Experiment |
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