U.S. airmen paint runway markings on Bagram Airfield, Afghanistan, Oct. 22, 2015. The airmen are assigned to the 455th Expeditionary Civil Engineer Squadron. The paint is mixed with reflective beads to ensure the markings can be seen by the pilots coming and going from Bagram in support of Operation Freedom’s Sentinel and NATO’s Resolute Support mission. U.S. Air Force photo by Tech. Sgt. Nicholas Rau