Conversation so far:
What branch of the military did Ed McMahon serve in?
he still had to finish his two years of college before applying for Marine Corps flight training.
Did he serve in any wars?
He was a Marine Corps flight instructor in F4U Corsairs for two years, finally being ordered to the Pacific fleet in 1945.
Was he wounded in service?
his orders were canceled after the atomic bomb was dropped on Hiroshima and Nagasaki.
What rank did he achieve by the end of his service?
After the war, he stayed with the Marines as a reserve officer, retiring in 1966 as a colonel.
Was he married while in the military?
CANNOTANSWER.
Did he win any special medals or awards?
CANNOTANSWER.

Question: Did he do anything for the military after retirement?
Self-contained rewrite: Did Ed McMahon do anything for the Marine Corps after retirement?