Callahan Construction Co.,* North Pole, Alaska, was awarded a $10,065,000 firm-fixed-price contract to replace an aqueous film-forming foam fire suppression system with a water-only sprinkler system. Bids were solicited via the internet with five received. Work will be performed at Eielson Air Force Base, Alaska, with an estimated completion date of March 20, 2026. Fiscal 2024 operation and maintenance, Army National Guard funds in the amount of $10,065,000 were obligated at the time of the award. U.S. Property and Fiscal Office, Alaska, is the contracting activity (W50S6K-24-C-0002).