An American World War II firing squad, in this case executing a spy. YouTube/British Pathé

Tens Of Thousands Of Troops Deserting, Army Barely Prosecutes -- Daily Caller

Tens of thousands of soldiers have deserted the Army after long, drawn out deployments in Iraq and Afghanistan in dangerous conditions, but the military has proseuted just under 2,000 cases, Military.com reports.

Over 20,000 soldiers have dropped out from the ranks since 2006, but only 1,900 cases have been prosectued. In most cases, desertion is usually easy to prove. Sgt. Bowe Bergdahl has been the main poster child for Army desertion after he abandoned his unit in 2009, only to be captured by the Taliban in Afghanistan and held for five years. A preliminary investigation in 2009 determined that he had simply walked away.

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Update: Army desertion prosecutions are rare; data show 1,900 cases pursued since 2001 -- AP

My Comment: The U.S. military is an all volunteer force .... why join up when you are going to desert. Obviously for some .... their war experiences were too much ... hence desertion.