Sacred Service A service member salutes while helping to place U.S. flags at every gravesite at Arlington National Cemetery, Va., during Flags In, May 26, 2022. The pre-Memorial Day tradition to honor the nation’s fallen heroes dates to 1948. SHARE: Download: Full Size (2.95 MB) Tags: memorial day Credit: Elizabeth Fraser, Army VIRIN: 220526-A-IW468-559Y.JPG Photo Gallery