F-35 prime contractor Lockheed Martin is proposing a sweeping five-year sustainment contract it hopes will set the stage for a future multiyear deal. Lockheed's vice president for F-35 sustainment Ken Merchant told reporters Tuesday at the Air Force Association's annual conference the company pitched the performance-based logistics construct to the joint program office in August through a white paper and is working to craft a formal proposal. Under the current plan, Lockheed would spend an initial $1.5 billion in what...