| Acronym | Meaning |
| TTRR | Trainer Test Results Report |
| SDEX | Standard Executive |
| PAO | Public Affairs Office(r) |
| V&V | Verification And Validation |
| VRR | Voice Recognition Response |
| ROM | Read Only Memory |
| A/D | Analog/digital |
| CVLF | Consolidated Very Low Frequency |
| PEC | Passive Equipment Cabinet |
| MMH/MA | Maintenance Man Hours Per Maintenance Action |