Rapid reaction force
Not to be confused with the Ethiopian paramilitary Rapid Support Forces A rapid reaction force / rapid response force (RRF), quick reaction force / quick response force (QRF), immediate reaction force (IRF), rapid deployment force (RDF), or quick maneuver force (QMF) is a military unit capable of responding to emergencies in a very short time frame. == Definition == A quick reaction force (QRF) is an armed military unit capable of rapidly responding to developing situations.