US Army flight medic SPC. Daniel Miller, right, stands guard as United States Marines place a colleague wounded in an IED strike into a waiting medevac helicopter from the US Army's Task Force Lift "Dust Off", Charlie Company 1-214 Aviation Regiment at a "hot" landing zone in Sangin, in the volatile Helmand Province of southern Afghanistan, Friday, May 13, 2011. (AP Photo/Kevin Frayer)
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