The MITRE Corp., Bedford, Massachusetts, has been awarded a $474,422,385 cost-reimbursement option contract for services. This contract provides 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 in 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, 2022. This award is the result of a sole-source acquisition. Foreign Military Sales funds in the amount of $59,157 are being obligated at the time of award. Air Force Life Cycle Management Center, Hanscom Air Force Base, Massachusetts, is the contracting activity (FA8702-19-C-0001).