Definitive Logic Corp., Arlington, Virginia, was awarded a not-to-exceed $21,236,975 for program and budget enterprise systems (PBES) system integrator modernization support. This contract provides for system integration to manage customized commercial off-the-shelf software, modernization of the program, offering technical and engineering support, documenting the PBES System, delivering software configurations and reducing technical debt, operating a customer support desk, and training the user community. Work will be performed at the Pentagon, Washington, D.C., and is expected to be completed by July 1, 2026. This contract was a sole source acquisition. Fiscal 2025 operation and maintenance funds in the amount of $1,409,879 are being obligated at the time of award. The Air Force Lifecycle Management Center, Wright Patterson Air Force Base, Ohio, is the contracting activity (FA8770-25-C-B003).