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All I know is what they taught me at command school. There are certain rules about a war, and rule number one is young men die. And rule number two is, doctors can’t change rule number one.
— Henry • M*A*S*H

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Henry passes on what command school taught him: in war, young men die. Doctors, he adds, can't change that fact. It's a blunt, weary rule that admits the limits of even the best medical effort.
Context reviewed