From left, Airman 1st Class Eric Johnson and Tech. Sgt. Mardi Wilson, both 919th Special Operations Civil Engineer Squadron pavements and heavy equipment specialists, talk to each other from the side of a bulldozer, Jan. 11, 2019, Duke Field Fla. Wilson is an experienced heavy equipment operator and is training Johnson on how to leverage the capabilities of the bulldozer. (U.S. Air Force photo by Senior Airman Dylan Gentile)