Rincon Research Corp., Tucson, Arizona, has been awarded an $11,244,141 cost-plus-fixed-fee contract for research and development of unmanned aerial system-borne radio frequency (RF) sensing capabilities; advanced airborne platform geolocation, testing and demonstrating the efficacy of low size, weight, and power, low-cost RF solutions; advanced tracking algorithms integration into Department of Defense intelligence, surveillance, and reconnaissance; and demonstration that these algorithms meet find, fix, and track requirements. Work will be performed in Tuscon, Arizona; Colorado Springs, Colorado; and Chantilly, Virginia, and is expected to be completed by Aug. 31, 2027. Fiscal 2021 research and development funds in the amount of $824,408; and fiscal 2022 funds in the amount of $1,200,000 are being obligated at time of award. Air Force Research Laboratory, Wright-Patterson Air Force Base, Ohio, is the contracting activity (FA8650-22-C-1022).