U.S. Air Force Tech. Sgt. David Blankenship and U.S. Air Force Airman 1st Class Patrick Chuba work on a construction project at Bagram Airfield, Afghanistan, Nov. 4, 2015. Blankenship and Chuba are pavements and equipment technicians assigned to the 455th Expeditionary Civil Engineer Squadron. U.S. Air Force photo by Tech. Sgt. Robert Cloys