Staff Sgt. Tyler McKee, 436th Communications Squadron wing cyber planner, runs while carrying an American flag during the 2021 POW/MIA memorial run on Dover Air Force Base, Delaware, Sept. 17, 2021. Units from across Dover AFB ran in 30-minute increments for 12 hours leading to a retreat ceremony commemorating National POW/MIA Recognition Day. (U.S. Air Force photo by Mauricio Campino)