Representative roentgen equivalent physical Repco/Axxis Report reporting point Republic Gear Radiological Emergency Preparedness Range Error Probable Regional Evacuation Point relativistic electron precipitation Repair Radioisotope Electric Propulsion Radiological Emergency Planning Reasonable Efforts Program Registry of Educational Personnel Relativistic Effective Potential repeater replication reporting Represent resonance escape probability Right-Elliptical Polarization Rotating-Electrode Process Rab escort protein Rab escort proteins Radar Evaluation Pad Radar Evaluation Pod Radio End Point Radio-Electronic Protection radiological emergency plan