Lt. Col. Gretchen Lewis, 436th Comptroller Squadron commander, salutes during a retreat ceremony commemorating National POW/MIA Recognition Day on Dover Air Force Base, Delaware, Sept. 17, 2021. During the ceremony, members of the Dover AFB Honor Guard played taps, fired a volley salute and performed a flag folding. (U.S. Air Force photo by Mauricio Campino)

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Photo by: Mauricio Campino |  VIRIN: 210917-F-DA916-2134.JPG