Conversation so far:
Where did Pat Robertson go to school?
When he was eleven, Robertson was enrolled in the preparatory McDonogh School outside Baltimore, Maryland.
From 1940 until 1946 he attended The McCallie School.
Did he go to college?
He gained admission to Washington and Lee University, where he received a B.A.
in History.
What did he study in school?
He then went on to receive a law degree from Yale Law School in 1955.

Question: When did he enter the military?
Self-contained rewrite: When did Pat Robertson enter the military?