Conversation so far:
Where did William F.
Buckley Jr.
go to school?
Buckley was homeschooled through the 8th grade using the Calvert School of Baltimore's Homeschool Curriculum.
Where did he go to high school?
CANNOTANSWER.
When did he join the military?
1943.
How long did he serve in the military?
He served stateside throughout the war at Fort Benning, Georgia; Fort Gordon, Georgia; and Fort Sam Houston, Texas.

Question: When did he join the CIA?
Self-contained rewrite: When did Buckley join the CIA?