Question: How many hours did Ronald Nels Running fly in an aircraft removed from combat due to high loss rates?
Sentence (from "Nels Running"): Ronald Nels Running (born 1941) is a retired United States Air Force Major General who has more than 3,800 flying hours in F-105D, F-5 A/E, F-4 D/E and F-16A aircraft.
Relevant evidence: Yes