Tekla Research Inc.,* Dumfries, Virginia, is awarded a $17,614,325 cost only value increase modification (P00018) to a previously awarded cost-plus-fixed-fee, indefinite-delivery/indefinite-quantity contract (N0042118D0015). This modification increases the contract ceiling to provide continued systems engineering and technical services for air and ship integration, systems safety, mass properties, survivability, manufacturing and quality, air platform stores integration, metrology and systems security engineering supporting naval air integrated program teams, externally directed teams and enterprise teams to include multidiscipline, integrated technical baseline evaluation, engineering assessment to technical assessment of cost, schedule, emerging technology and maturity of design in support of the Navy acquisition programs. Work will be performed in Patuxent River, Maryland (68%); Cherry Point, North Carolina (13%); Tucson, Arizona (6%); Arlington, Virginia (5%); Ridgecrest, California (3%); San Diego, California (2%); Lakehurst, New Jersey (1%); Jacksonville, Florida (1%); and Thailand (1%), and is expected to be completed April 2025. No funds will be obligated at the time of award, funds will be obligated on individual orders as they are issued. Naval Air Warfare Center Aircraft Division, Patuxent River, Maryland, is the contracting activity.