The Pentagon has stood up a Joint Independent Assessment Team to assess F-35 prime contractor Lockheed Martin’s proposal for a five-year, fixed-price sustainment contract -- the first of its kind for the program. Lockheed’s pitch, which it is still in the early stages of crafting, is for a performance-based logistics deal that would take effect in fiscal year 2021 and run through FY-25. The company told reporters in September the deal could yield $1 billion in savings to the government...