220309-F-NI018-1001
Terry Harris, 2nd Civil Engineering Squadron air conditioner equipment mechanic, and Airman 1st Class Kevin Gilbert, 2nd CES heating, ventilation and air conditioning apprentice, inspect the electronic components of a new chiller installed at Air Force Global Strike Command Headquarters, March 9, 2022. Heating and cooling infrastructure require regular inspections to detect maintenance needs. (U.S. Air Force photo by Airman 1st Class William Pugh)