U.S. Air Force Senior Airman Kyle Gibson, 52nd Civil Engineer Squadron pavement and equipment operator, right, teaches U.S. Air Force Tech. Sgt. Gerald Vasquez, 52nd CES heating, ventilation, and air conditioning technician, left, how to operate a bulldozer at Spangdahlem Air Base, Germany, Feb. 26, 2019. Pavement equipment operators are taught how to operate many machines including cranes, excavators, snow plows, and street sweepers.(U.S. Air Force photo by Airman 1st Class Jovante Johnson)