The MITRE Corp., Bedford, Massachusetts, was awarded a $498,715,393 cost reimbursement option contract for support to the Air Force from MITRE as the administrator of the National Security Engineering Center Federally-Funded Research and Development Center. Work will be performed at Bedford, Massachusetts; McLean, Virginia; and various locations throughout the continental U.S. and outside the continental U.S., and is expected to be completed by Sept. 30, 2024. This contract was a sole-source acquisition. Foreign Military Sales funds in the amount of $1,612,340 are being obligated at time of award. The Air Force Life Cycle Management Center, Hanscom Air Force Base, Massachusetts, is the contracting activity (FA8702-23-C-0002).