| Abbreviation | Definition |
|---|---|
| EWSG | Electronic Warfare Support Group |
| EWSP | Electronic Warfare Self Protection |
| EWTP | Electronic World Trade Platform |
| EWTP | Electronic World Trading Platform |
| EWTS | Electronic Warfare Training Services |
| EWTS | Electronic Warfare Training Support |
| EWTS | Electronic Warfare Training System |
| EXAFS | Extended X-ray Absorption Fine Structure |
| EXELFS | EXtended Energy-Loss Fine Structure |
| EYC | Electronic Yarn Clearer |
| EYP | Electric Yiddish Picnic |
| F | Filament (vacuum tube) |
| F | form F (polar make; make) contacts |
| F | Frequency |
| F/I | Final Inspection |
| FA | Failure Analysis |
| FA | Filter Anode |
| FA | Front Access |
| FAA | Federal Aviation Administration |
| FAAD | Free Advanced Audio Decoding |