| Abbreviation | Definition |
|---|---|
| EJSE | Enhanced JTIDS System Exerciser |
| EKE | Enhanced Kinetic Energy |
| EKIA | Enemy Killed In Action |
| EKO | Engineering Knowledge Online |
| EKV | Exoatmospheric Kill Vehicle |
| EL | Elevation |
| ELA | Electric Love Army |
| ELAS | Ethnikos Laikos Apeleftherotikos Stratos |
| ELB | English Long Bow |
| ELBA | Emergency Locator Beacon |
| ELCAS | Elevated Causeway System |
| ELCAS(M) | Elevated Causeway System (Modular) |
| ELCAS(NL) | Elevated Causeway System (Navy Lighterage) |
| ELD | Emitter Locating Data |
| ELE | Evangelistic Literature Enterprise |
| ELECTRO-OPTINT | Electro-Optical Intelligence |
| ELI | Early Logistics Involvement |
| ELIM | Enlisted Loss Inventory Model |
| ELINT | Electronic Intelligence |
| ELIR | Emission Location Information Report |