Sikorsky Aircraft Corp., Stratford, Connecticut, has been awarded a $13,598,319 firm-fixed-price, fixed-price-incentive-fee, cost-reimbursement-no-fee contract modification (P00234) to previously awarded FA8629-14-C-2403 for implementation of Modern Air Combat Environment (Engineering Change Proposal 052). The modification brings the total cumulative face value of the contract to $13,598,319. The location of performance is Stratford, Connecticut, and is expected to be completed by April 1, 2027. Fiscal 2021 aircraft procurement funds in the amount of $2,788,795; and fiscal 2023 research, development, test, and evaluation funds in the amount of $ 4,206,472, are being obligated at time of award. The Air Force Life Cycle Management Center, Wright-Patterson Air Force Base, Ohio, is the contracting activity.