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In Michigan's snowy Upper Peninsula, job opportunities are few, and friends are usually for life. For Dominic Fredianelli and his high school buddies, joining the National Guard offered a $20,000 windfall and assistance with college tuition -- all for only one weekend a month. Little did they know.

Putting young faces on a very old problem, ''Where Soldiers Come From,'' Heather Courtney's quietly devastating documentary about growing up all too quickly, tracks three of these young men over four eventful years. As she accompanies them through basic training and a 2009 deployment to an explosives unit in Afghanistan; visits their families while...