Conversation so far:
did Jimmy Doolittle stay in the army?
Jimmy Doolittle left the air force but remained active in many technical fields, and was eventually promoted to general years after retirement.
where was Jimmy Doolittle from?
Alameda, California
Did Jimmy Doolittle stay in the space program his whole career?
Jimmy Doolittle was the was chairman of the National Advisory Committee for Aeronautics  From 1957 to 1958

Question: Did he pioneer any other space programs?
Self-contained rewrite: Did Jimmy Doolittle pioneer any other space programs besides the National Advisory comittee for Aeronautics?