| Acronym | Meaning |
| MA | Master |
| SOP | Standard Operating Procedure |
| DCSP | Digital Control Signal Processor |
| HMA | Hypergot Maintenance Area |
| DPP | Data Processing Software System |
| BP | C/LChecklist |
| CMC | Command Module Computer |
| OTC | Orbiter Test Conductor |
| WAD/NU | Work Authorization Number |
| ELDV | Electrically Operated Depressurization Valve |