Airmen from the 56th Maintenance Group honor former prisoners of war and those listed as missing in action during a 24-hour vigil run at Luke Air Force Base, Ariz., Sept. 20, 2019. During the event, Airmen ran while carrying a POW/MIA flag in observance of National POW/MIA Recognition Day. (U.S. Air Force photo by Airman 1st Class Jacob Wongwai) lukeafb #YearInPhotos #AirForce #USAF #Airman #Airmen #POWMIA #neverforgotten #powmiarecognitionday (Day 56/100)