HVAC Airmen ensure base airflow
U.S. Air Force Senior Airman Jesse Brown, 20th Civil Engineer Squadron heating, ventilation and air conditioning (HVAC) apprentice, inspects an air filter at Shaw Air Force Base, S.C., Aug. 30, 2017. The HVAC shop is in charge of more than 1,000 units across the base, Poinsett Electronic Combat Range near Wedgefield, S.C., and the Wateree Recreational Area near Camden, S.C. (U.S. Air Force photo by Senior Airman Ashley Maldonado)