| Abbreviation | Definition |
|---|---|
| RER | Radar Effects Reactor |
| RER | Radiation Effects Report |
| RER | Recovery and Evacuation Report |
| RER | Recovery Expense Report |
| RER | Repair Effectiveness Report |
| RER | Request for Engineering Release |
| RER | Research Expenditure Report |
| RER | Restricted Equipment Requirement |
| RER | Reusable - Expendable - Reusable |
| RER | Rubberized Equipment Repair |
| RERL | Radar Echo Return Loss |
| RERL | Residual Equipment Return Loss |
| RERLE | Radar Echo Return Loss Enhancement |
| RES | Radiation Exposure Status |
| RES | Resistance |
| RES | Rudder, Elevator, and Spoilers |
| Res. | reserve |
| RESA | Research, Evaluation, and System Analysis |
| RESA | Research, Evaluation, and Systems Analysis ( Navy game model) |
| RESCAP | Rescue Combat Air Patrol |