319th CES upgrades 20-year base hydrant fuels system infrastructure
U.S. Air Force Airman 1st Class Carson Simpson, 319th Civil Engineer Squadron liquid fuels system maintenance apprentice, assists Airman 1st Class Conner Johnson, 319th CES water and fuel system apprentice, to secure bolts on a petroleum refuel valve, July 18, 2023, on Grand Forks Air Force Base, North Dakota. The airmen conducted a maintenance inspection on the base hydrant fuel system before it underwent a renovation. (U.S. Air Force photo by Airman 1st Class Raisa Christie)