Johns Hopkins University Applied Physics Laboratory LLC, Laurel, Maryland, has been awarded a $30,000,000 indefinite-delivery/indefinite-quantity contract for professional technical services. This contract provides for systems test and evaluation; information and technology research, development, and assessment; simulation, modeling, operations and analysis; mission-related research and development. Work will be performed in Laurel, Maryland, and is expected to be completed by May 4, 2026. This award is the result of a sole-source acquisition. Fiscal 2021 research, development, test and evaluation funds in the amount of $2,157,517 are being obligated at the time of award on the first task order (FA8735-21-F-0003). Air Force Nuclear Weapons Center, Hanscom Air Force Base, Massachusetts, is the contracting activity for (FA8735-21-D-0003).