| Acronym | Meaning |
| DIP | Display Interface Processing (Processor) |
| EIU | Engine Interface Unit |
| SESL | Space Environmental Simulation Laboratory |
| FQI | Flight Qualification Instrumentation |
| PCMMU | PCM Master Unit |
| TIFS | Total In-Flight Simulator |
| TO | Operations Management (TS) |
| REOD | Required |
| MT | Mount |
| PDRD | Procurement Data Requirements Document |