Four members of Team Dover stand vigilant at the base flag pole as a group of runners jog by them during National Prisoner of War and Missing in Action Recognition Day Sept. 15, 2017, on Dover Air Force Base, Del. Running and standing in shifts, 343 runners participated in a 24-hour run and 236 stood at the flag pole as part of the recognition day events. (U.S. Air Force photo by Roland Balik)