U.S. Air Force Staff Sgt. David Devoursney scans his sector while an Afghan Mi-17 helicopter flies alongside, June 29, 2012, in Afghanistan.  Devoursney is an aerial gunner and Afghan air adviser deployed to the 438th Air Expeditionary Airlift Squadron and is stationed at the 66th Rescue Squadron, Nellis Air Force Base, Nev.
Staff Sgt. Quinton Russ
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