Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland, has been awarded a $35,244,154 task order from the previously awarded, indefinite-delivery/indefinite-quantity contract FA8204-22-F-0023. This is a cost-type contract for research and development services in support of the Sentinel Systems Directorate. Work will be performed in Laurel, Maryland, and is expected to be completed by July 29, 2023.  Fiscal 2022 research, development, test and evaluation funds are being used to fund this task order. The Air Force Nuclear Weapons Center, Hill Air Force Base, Utah, is the contracting activity (FA8204-22-F-0023).