Army Sgt. Dante Gray, right, distributes American flags to Army Pvt. Ossiris Aguire to be placed in front of headstones during "Flags In" at Arlington National Cemetery in Arlington, Va., May 24, 2018. Gray and Aguire are infantrymen assigned to Company A, 4th Battalion, 3rd U.S. Infantry Regiment, known as "The Old Guard.” DoD photo by Sebastian J. Sciotti Jr.