Science Applications International Corp., Reston, Virginia, is awarded a $13,396,629 modification (P00021) to a previously awarded cost-plus-fixed-fee, indefinite-delivery/indefinite-quantity contract (N0042118D0017). This modification increases the contract ceiling to provide engineering support, to include multi-discipline, integrated technical baseline evaluations, developmental progress assessments, cost, schedule, emerging technology, and maturity of design assessments for all Naval Air Systems Command (NAVAIR) acquisition programs in support of the NAVAIR Systems Engineering Department. Work will be performed in Patuxent River, Maryland (95%); various locations within the continental U.S. (CONUS) (4%); and various locations outside the CONUS (1%), and is expected to be completed in April 2025. No funds will be obligated at the time of award; funds will be obligated on individual orders as they are issued. The contract being modified was competed on a full and open basis with four offers received. Naval Air Warfare Center Aircraft Division, Patuxent River, Maryland, is the contracting activity.