United States, Aug. 29 -- SLSCO Ltd., Galveston, Texas, was awarded a $220,173,280 modification to a firm-fixed-price contract (N62742-25-C-1308) for the construction of a maintenance support facility building, armory building, an aircraft maintenance hangar, telecommunications facility, and required site improvements at the Royal Australian Air Force Base, Darwin, Australia. The total cumulative face value of the contract is $459,825,472. Work will be performed in Darwin, Australia, and is expected to be completed by May 2028. Fiscal 2025 military construction (Marine Corps) funds in the amount of $147,000,000 are obligated at time of award and will not expire at the end of the current fiscal year. Naval Facilities Engineering Systems Comm...