Conversation so far:
what happened in 1980?
George W.H. Bush became chairman on the Executive Committee of the First International Bank in Houston
what else did George W.H. Bush do in 1980 besides becoming chairman on the Executive Committee of the First International Bank in Houston?
George W.H. Bush also spent a year as a part-time professor of Administrative Science at Rice University's Jones School of Business
was George W.H. Bush married?
George W.H. Bus was on leave from the navy, he married Barbara Pierce in Rye, New York

Question: what did he do in the navy?
Self-contained rewrite: what did George W.H. Bush do in the navy?