Calspan Corp., Buffalo, New York, has been awarded a $50,643,267 firm-fixed-price, cost-reimbursement, cost-plus-fixed-fee, indefinite-delivery/indefinite-quantity contract to support the Variable Stability In-Flight Simulator and Test Aircraft Support for the U.S. Air Force Test Pilot School. Work will be performed in Buffalo and is expected to be completed April 30, 2028. This award is the result of a sole-source acquisition. Fiscal 2023 research, development, test and evaluation funds in the amount of $1,548,860 are being obligated at the time of award. The Air Force Test Center, Edwards Air Force Base, California, is the contracting activity (FA9304-23-D-5000).