Sabre Systems Inc., Warminster, Pennsylvania, has been awarded a $73,500,000 maximum ordering amount, indefinite-delivery/indefinite-quantity contract, with cost-plus-fixed-fee and firm-fixed-price orders for advanced communications development software and hardware. This contract provides for the research, development, testing, and deployment of advanced radio frequency (RF) systems capable of legacy and advanced operations. These systems are intended to primarily support advances in RF communications but may include investigations supporting other RF functions such as radar, communications, electronic warfare, signals intelligence, and direction finding. Work will be performed at Warminster, Pennsylvania, and is expected to be completed by Sept. 22, 2027. Fiscal 2022 research, development, test and evaluation funds in the amount of $516,870 are being obligated on the first order under the contract. Air Force Research Laboratory, Rome, New York, is the contracting activity (FA8750-22-D-0500).