Senior Airman Jacob Nevills, a pavements and equipment technician, operates a backhoe to remove dirt from a ditch at Bagram Airfield, Afghanistan, Sept. 7, 2016. Nevills is assigned to the 455th Expeditionary Civil Engineer Squadron. The squadron's engineers, known as “Dirt Boys”, worked to construct a new drainage system at the passenger terminal. Air Force photo by Senior Airman Justyn M. Freeman