Northrop Grumman Systems Corp., Woodland Hills, California, is awarded a $337,943,520 cost-plus-fixed-fee, firm-fixed-price and cost reimbursable indefinite-delivery/indefinite-quantity contract. This contract provides researching alternatives, investigating and documenting new capabilities and anomalies related to H-1 avionics and weapons; and the development, integration, verification, validation, and testing of H-1 Integrated Avionics Systems, as well as identifies maintenance capabilities, upgrading and/or updating test equipment and other support equipment required to support the systems. Work will be performed in Woodland Hills, California (99%); and various locations within the continental U.S. (1%), and is expected to be completed in June 2027. No funds will be obligated at the time of award; funds will be obligated on individual orders as they are issued. This contract was not competitively procured pursuant to Defense Federal Acquisition Regulation 6.302-1. The Naval Air Warfare Center Weapons Division, China Lake, California, is the contracting activity (N6893622D0028).