319th CES upgrades 20-year base hydrant fuels system infrastructure
Airmen assigned to the 319th Civil Engineer Squadron liquid fuels maintenance shop, inspect a hydrant fuel pit, July 18, 2023, at Grand Forks Air Force Base, North Dakota. The valves were examined before their scheduled replacements, 20 years after their initial installation. (U.S. Air Force photo by Airman 1st Class Raisa Christie)