Dover Air Force Base Honor Guard members fold the American flag during a retreat ceremony commemorating National POW/MIA Recognition Day on Dover AFB, Delaware, Sept. 17, 2021. The ceremony also included the firing of a volley salute and the playing of taps. (U.S. Air Force photo by Mauricio Campino)

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Photo by: Mauricio Campino |  VIRIN: 210917-F-DA916-2144.JPG