What was the name of the movie about a 'hippie' guy who is drafted and teaches meditation to other soilders.

It is from the 60s or 70s. He gets drafted and gets in trouble for not conforming. He meditates to get through punishment, and teaches the other soilders in basic training how to meditate and stuff. At the end he goes AWOL, but his Sgt. goes out and finds him and convinces him to come back and finish basic and... show more It is from the 60s or 70s. He gets drafted and gets in trouble for not conforming. He meditates to get through punishment, and teaches the other soilders in basic training how to meditate and stuff. At the end he goes AWOL, but his Sgt. goes out and finds him and convinces him to come back and finish basic and "graduate". He comes back but the evil Col. who hates him ends up flunking him and making him do basic all over again, which makes the guy just go AWOL for real.
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