1 of 36: A U.S. Navy combat critical care nurse cares for a wounded Afghan Army soldier who was suffering from stab wounds, on a medevac helicopter from the U.S. Army's Task Force Lift "Dust Off", Charlie Company 1-214 Aviation Regiment north of Forward Operating Base Edi, in the volatile Helmand Province of southern Afghanistan, Sunday, May 15, 2011. (AP Photo/Kevin Frayer) (AP Photo/ Kevin Frayer)

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