Question: Who served as a Major General during the global war that lasted from 1939 to 1945?
Sentence (from "Carroll W. McColpin"): Prior to the United States entry into World War II, in November 1940, he volunteered for duty with the Royal Air Force and was commissioned a pilot officer (second lieutenant) in the RAF before transferring to the United States Army Air Forces in the grade of major, at London, England, in September 1942.
Relevant evidence: No