National Academy of Sciences, Washington, D.C., has been awarded a $55,929,385 contract, with four options, for the Department of the Air Force Science and Technology Fellowship Program. This contract provides for the appointment of U.S. citizens who are highly qualified, non-government, Ph.D.-level scientists and engineers (DAF S&T) to enhance the scientific and technological research capabilities, expertise, and accomplishments of the DAF S&T organizations. Work will be performed at all Air Force Research Laboratories and is expected to be completed by Jan. 31, 2028. This contract was a competitive acquisition, and four offers were received. Fiscal 2023 and 2024 research, development, test and evaluation funds in the amount of $10,028,520 are being obligated at time of award. The Air Force Research Laboratories Office of Scientific Research, Arlington, Virginia, is the contracting activity (FA9550-24-C-B001).