HRL Laboratories LLC, Malibu, California, was awarded a $26,991,707 cost-reimbursement contract for Creating Arrays for Strategic elecTro-optical, proLiferated and Exquisite (CASTLE) program. The contract intent of the CASTLE effort is to build on earlier Space Industrial Base Working Group voting member recommended and co-funded projects to characterize performance and improve yields of medium and large format Focal Plane Arrays. Work will be performed in Malibu, California, and is expected to be completed by July 19, 2029. This contract was a competitive acquisition, and three offers were received. Fiscal 2023 research, development, test, and evaluation funds in the amount of $5,646,393 are being obligated at time of award. The Air Force Research Laboratory, Kirtland Air Force Base, New Mexico, is the contracting activity (FA9453-24-C-X011).