Bagram Service members honor POWs/MIAs
U.S. Air Force Chief Master Sgt. Matt Grengs, 455th Air Expeditionary Wing command chief, carries the U.S. flag during the prisoners of war, missing in action run at Bagram Airfield, Afghanistan, Sept. 3, 2015. For 24 straight hours, BAF Service members kept the POW/MIA flag in constant motion in honor of American prisoners of war and those missing in action. (U.S. Air Force photo by Tech. Sgt. Joseph Swafford/Released)