A member of the Old Guard places a flag at a grave at Arlington Cemetery

A soldier with the U.S. Army 3rd Infantry Regiment (Old Guard) places a flag at a grave marker as part of the annual Flags-In event for Memorial Day at Arlington National Cemetery in Arlington, Virginia on May 26, 2016. Members of The Old Guard placed an America flag at more than 230,000 grave markers at Arlington in honor of of Nation's fallen military members. The tradition has been conducted since 1948. Photo by Kevin Dietsch/UPI