In this Feb. 26, 2015 photo, Jamie Lane, 29, an American veteran originally from Mt. Pleasant Michigan, poses for a picture in front of an Iraqi Army Humvee captured and later abandoned by Islamic State militants in Tel Hamis, Syria. Lane is among growing number of Iraq war veterans returning to the battlefield, this time without the American military, to join in the fight against the Sunni militants who now hold territory in a third of Iraq and Syria. (Courtesy Jamie Lane via AP)
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