U.S. Air Force Airman 1st Class Dwight Thompson, 354th Civil Engineer Squadron water plant operator, explains the importance of the water treatment plant at Eielson Air Force Base, Alaska, Aug. 31, 2026. The process for removing chemicals at the Water Treatment Plant is a multi-stage operation that sees the water being run through greensand filters, granular activated carbon vessels and other steps to ensure the water is as safe and clean for residents on base. (U.S. Air Force video by Senior Airman Nicholas Paczkowski)