Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a $47,345,839 firm-fixed-price modification (P00015) to a previously awarded, indefinite-delivery/indefinite-quantity contract (N0001919D0015). This modification exercises an option to procure Ancillary Mission Equipment in support of F-35 Joint Strike Fighter Lot 17 production aircraft for the Air Force, Marine Corps, Navy, Foreign Military Sales customers, and non-U.S. Department of Defense participants. Work will be performed in Fort Worth, Texas, and is expected to be completed in December 2025. No funds are being obligated at time of award and funds will be obligated on individual orders as they are issued. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.