| Acronym | Meaning |
| VSWR | Voltage Standing Wave Ratio |
| PERT | Program Eval And Review Technique |
| TRD | Test Requirement(s) Document (data) |
| RAD | Recommendation And Approval Document |
| ASDS | Airborne Serial Data System |
| PHIGS | Programmer's Hierachical Interactive Graphics System (iso) |
| STIM | Stimulation |
| EL | Engineering Laboratory |
| TILT | Tiltaxis |
| ICASMA | Defense Contracts Administration Systems Agency |