| Acronym | Meaning |
| HVPS | High Voltage Power Supply |
| RANN | Research Applied To National Needs |
| BAI | Barometric Altitude Indicator |
| EVAL | Evaluate |
| EFCS | Earth Fixed Coordinate System |
| DMR | Developmental Instrumentation MDM-Right |
| PD | Preliminary Design |
| PRC | PlanningResearchCorporation |
| VR | Video Recorder |
| T | Talk/Monitor |