Marine Cpl. Daniel Callahan receives a flag during a burial service for his brother Marine Sgt. Sean Callahan of Warrenton, Va.,, who was killed in Afghanistan, at Arlington National Cemetery in ... more 
Marine Cpl. Daniel Callahan receives a flag during a burial service for his brother Marine Sgt. Sean Callahan of Warrenton, Va.,, who was killed in Afghanistan, at Arlington National Cemetery in Arlington, Va., Monday, May 2, 2011. less 
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Associated Press | Photo By Evan Vucci
Mon, May 2, 2011 1:42 PM EDT