United States, Sept. 25 -- Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a $610,000,000 modification (P00003) to a previously awarded fixed-price incentive (firm-target), undefinitized, advanced acquisition contract (N0001925C0070). This modification adds scope to procure economic order quantity of materials, parts, and components in support of Lots 20-22 F-35 production aircraft (68 Lot 20 aircraft, 64 Lot 21 aircraft, and 48 Lot 22 aircraft) for F-35 cooperative program partners and Foreign Military Sales (FMS) customers. Work will be performed Fort Worth, Texas (59%); El Segundo, California (14%); Warton, United Kingdom (9%); Cameri, Italy (4%); Orlando, Florida (4%); Nashua, New Hampshire (3%); Ba...