Conversation so far:
How long was Weeb Ewbank a coach?
Weeb Ewbank coached from 1928 to 1975.
Did Weeb Ewbank only coach at Washington University?
Weeb Ewbank has coached others such as the Cleveland Browns, Baltimore Colts, New York Jets.
How long was Weeb Ewbank at Washington University?
Weeb Ewbank was head football coach at Washington University in St. Louis for the 1947 and 1948 seasons.
Did Weeb Ewbank have any conflicts during his coaching career?
Weeb Ewbank expected to coach quarterbacks, having played the position in college, but Brown insisted that he oversee the tackles for the Cleveland Browns.
Did Weeb Ewbank have to leave coaching when he joined the navy?
While in the military, Ewbank was an assistant to Paul Brown on a service football team at Naval Station Great Lakes outside of Chicago.

Question: What coaching job did he leave to go to the navy?
Self-contained rewrite: What coaching job did Weeb Ewbank leave to go to the navy?