United States, Aug. 6 -- BAE Systems Australia Ltd., Edinburgh, Australia, was awarded $9,024,705 undefinitized contract action for continued High Frequency system digital receive chain sub-system sustainment services. This contract provides for engineering and programmatic services, hardware and software procurement, repair actions as part of sustainment activities, system integration, system testing, and drafting and updating technical documentation. Work will be performed in Edinburgh, Australia, and is expected to be complete by Aug. 5, 2025. This contract was a sole source acquisition. Fiscal 2025 operations and maintenance appropriations funds in the amount of $457,929; fiscal 2024 other procurement funds in the amount of $338,688; an...