| Abbreviation | Definition |
|---|---|
| ERF | Eccm Remote Fill |
| ERF | Electronic Repair Facility |
| ERF | Extraordinary Repair Fund |
| ERFB | Extended Range Full Bore |
| ERG | Environmental Review Guide |
| ERGM | Extended Range Guided Munitions |
| ERINT | Extended Range Intercept Technology |
| ERINT | Extended Range Interceptor |
| ERIS | Exoatmoshperic Reentry Vehicle Interceptor Subsystem |
| ERL | Equipment Requirement List |
| ERL | Extended Requirements List |
| ERM | Electronic Reserve Material |
| ERM | Events Resourcing Model |
| ERM | Extended Range Missile |
| ERMA | Easily Recognizable Military Acronym |
| ERMC | Europe Regional Medical Command |
| ER-MLRS | Extended Range MLRS |
| ERN | Engineering Release Notice |
| ERO | Emergency Response Operations |
| ERO | Engine Running On |