The unit cost of the F-35A could go as low as $75 million in Lot 14 of low-rate initial production if the program can improve supply chain and production line performance, the head of the program recently told Inside Defense . The joint program office has been working with prime contractor Lockheed Martin and engine-maker Pratt & Whitney to reduce the cost of the F-35A to $80 million by 2020. Program officials have said they think the jet's price tag...