United States, July 31 -- Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded an undefinitized contract action with a not-to-exceed value of $578,729,839, firm-fixed-price order (N0001925F0090) against a previously issued basic ordering agreement (N0001924G0010). This order procures fiscal 2025 F-35 air vehicle initial spares. The subject contract procures basic spares pool and global spares pool spares shared between the customers involved, customer specific afloat spares pool and deployable spares pool, and support labor. These initial spares are necessary to meet immediate maintenance needs and ensure the U.S. services, Collaborative Program Partner nations, and Foreign Military Sales (FMS) customers hav...