| Acronym | Meaning |
 | DDM | Data Display Monitoring |
| AESE | Airborne Electrical Support Equipment |
| SNSR | Sensor |
| EAR | Engineering AnalYsis Report |
| QPR | Quarterly Progress Report |
| SACS | Software Avionics Command SuPport |
| SRD | Shuttle Requirements Definition |
| PCP | Program Change Proposal |
| PSIA | Pounds Per Square Inch Absolute |
| TW | Thumbwheel |
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