Support WBUR'How Soldiers Die': A History Of Combat DeathsPlay30:17Download AudioNPR StaffMay 29, 2012 ShareA U.S. Army honor guard stands at attention during a ceremony to mark Memorial Day, this week at Arlington National Cemetery. (AFP/Getty Images)
A U.S. Army honor guard stands at attention during a ceremony to mark Memorial Day, this week at Arlington National Cemetery. (AFP/Getty Images)