| Abbreviation | Definition |
|---|---|
| EAFB | EIELSON AIR FORCE BASE, Alaska |
| EAG | Engine Accessory Generator |
| EAI | Executive Agent Instruction |
| EAL | Evaluation Assurance Level |
| EALS | Emergency Airfield Lighting System |
| EALT | Earliest Anticipated Launch Time |
| EAM | Emergency Action Message |
| EAMC | Eisenhower Army Medical Center |
| EAOS | End of Active Obligated Service |
| EAOS | Expiration of Active Obligated Service |
| EAP | Emergency Action Procedures |
| EAP | Employee Assistance Program |
| EAP | Enterprise Architecture Plan |
| EAP-CJCS | Emergency Action Procedures of The Chairman of The Joint Chiefs of Staff |
| EAPF | Equipment Alteration Proposal Form |
| EAR | Electronically Agile Radar |
| EAR | Experimental Array Radar |
| EARA | Equipment Authorizations Review Activity |
| EARB | Enlisted Affiliation and Re-enlistment Bonus |
| EARC | Electric Armaments Research Center |