Airmen from the 455th Expeditionary Civil Engineer Squadron level out cement to repair a section of the flightline at Bagram Airfield, Afghanistan, Dec. 7, 2015. Airfield integrity concerns are reviewed twice a month by Airfield Management and 455th ECES. Once repairs are completed, these areas of the flightline should not require maintenance for up to 10 years. (U.S. Air Force photo by Tech. Sgt. Nicholas Rau/Released)

Staff Sgt. Richard Bonham, and Airman 1st Class Alex Gromley, both from the 455th Expeditionary Civil Engineer Squadron, smooth out the edges of cement during a repair of a section of the flightline at Bagram Airfield, Afghanistan, Dec. 7, 2015. Airfield integrity concerns are reviewed twice a month by Airfield Management and 455th ECES. Once repairs are completed, these areas of the flightline should not require maintenance for up to 10 years. (U.S. Air Force photo by Tech. Sgt. Nicholas Rau/Released)

Airmen from the 455th Expeditionary Civil Engineer Squadron get ready for another batch of cement to repair a section of the flightline at Bagram Airfield, Afghanistan, Dec. 7, 2015. Airfield integrity concerns are reviewed twice a month by Airfield Management and 455th ECES. Once repairs are completed, these areas of the flightline should not require maintenance for up to 10 years. (U.S. Air Force photo by Tech. Sgt. Nicholas Rau/Released)

Staff Sgt. Richard Bonham, 455th Expeditionary Civil Engineer Squadron, operates a machine that presses down concrete in order to repair a section of the flightline at Bagram Airfield, Afghanistan, Dec. 7, 2015. Airfield integrity concerns are reviewed twice a month by Airfield Management and 455th ECES. Once repairs are completed, these areas of the flightline should not require maintenance for up to 10 years. (U.S. Air Force photo by Tech. Sgt. Nicholas Rau/Released)

Airman 1st Class Alex Gromley and Staff Sgt. Ranson Holt, both from the 455th Expeditionary Civil Engineer Squadron, use a machine that flattens down cement in order to repair a section of the flightline at Bagram Airfield, Afghanistan, Dec. 7, 2015. Airfield integrity concerns are reviewed twice a month by Airfield Management and 455th ECES. Once repairs are completed, these areas of the flightline should not require maintenance for up to 10 years. (U.S. Air Force photo by Tech. Sgt. Nicholas Rau/Released)

Staff Sgt. Richard Bonham, 455th Expeditionary Civil Engineer Squadron, waits for a concrete truck to get into position to repair a section of the flightline at Bagram Airfield, Afghanistan, Dec. 7, 2015. Airfield integrity concerns are reviewed twice a month by Airfield Management and 455th ECES. Once repairs are completed, these areas of the flightline should not require maintenance for up to 10 years. (U.S. Air Force photo by Tech. Sgt. Nicholas Rau/Released)

Staff Sgt. Richard Bonham, left, and Staff Sgt. Ranson Holt, both from the 455th Expeditionary Civil Engineer Squadron, scoop cement delivered by a contractor to repair a section of the flightline at Bagram Airfield, Afghanistan, Dec. 7, 2015. Airfield integrity concerns are reviewed twice a month by Airfield Management and 455th ECES. Once repairs are completed, these areas of the flightline should not require maintenance for up to 10 years. (U.S. Air Force photo by Tech. Sgt. Nicholas Rau/Released)