Soldiers from the 3d U.S. Infantry Regiment (The Old Guard) have a duty to respectfully honor America's sons and daughters who have lost their lives in defense of this great nation. "Flags In" is a four hour event in which over 1,000 Soldiers from The Old Guard remember service members in Arlington National Cemetery, VA by placing a flag on over 228,000 headstones in the cemetery. Soldiers in The Old Guard have held this honor and privilege of conducting "Flags In" since 1948. (U.S. Army Photo by Spc. Steven Hitchcock)

 'Flags In' At Arlington 2015 video