English abbreviations from ernet to ers
- ERNET (Education and Research NETwork)
- ERO (Engine Running Onload/Offload)
- EROP (Educational Research Opportunity Program)
- EROS (Earth Resources Observation System)
- ERP (Extended Range Projectile)
- ER-PGM (Extended Range Precision Guided Munition)
- ERPS (Equipment Release Priority System)
- ERQ (Elrose Airport)
- ERR (Eesti Rahvusringhääling)
- ERRA (Energy Regulators Regional Association)
- ERRO (Emergency Response and Recovery Office)
- ERS (Engineroom Supervisor)