Tammy O'Brien kisses the casket one last time after services for her son Marine Lance Corporal Nicholas O'Brien, Tuesday, June 28, 2011, at Arlington National Cemetery in Arlington, Va. O'Brien died June 9 from an IED (improvised explosive device) in Helmand province in southern Afghanistan. (AP Photo/Alex Brandon)

Photo by: Alex Brandon

Tammy O'Brien kisses the casket one last time after services for her son Marine Lance Corporal Nicholas O'Brien, Tuesday, June 28, 2011, at Arlington National Cemetery in Arlington, Va. O'Brien died June 9 from an IED (improvised explosive device) in Helmand province in southern Afghanistan. (AP Photo/Alex Brandon)