ALT A soldier in full camouflage uniform and a large rucksack bends down to place a small American flag in front of a white headstone in a long row. Rows of flags and headstones are visible stretching into the distance. This was part of Flags In, where nearly 1,500 soldiers placed approximately 250,000 U.S. flags at every headstone and along every Columbarium Court and Niche Wall row at Arlington National Cemetery, Arlington, Virginia, Thursday, May 21, 2026.

ALT A soldier in a formal dress blue uniform stands in profile, holding two American flags at the Tomb of the Unknown Soldier. This was part of Flags In, where nearly 1,500 soldiers placed approximately 250,000 U.S. flags at every headstone and along every Columbarium Court and Niche Wall row at Arlington National Cemetery, Arlington, Virginia, Thursday, May 21, 2026.

ALT National Memorial Day Observance