HVAC/R: Keeping AB 201 cool
U.S. Air Force Tech. Sgt. Eric Smith, 724th Expeditionary Air Base Squadron Civil Engineer Flight heating, ventilation, air conditioning and refrigeration craftsman, troubleshoots and diagnoses an electrical problem on a field deployable environmental control unit at Nigerien Air Base 201, Agadez, Niger, Feb. 2, 2021. HVAC/R Airmen are responsible for installing, maintaining, and repairing all HVAC/R systems on base. (U.S. Air Force photo by Senior Airman Gabrielle Winn)