DAYTON, OH -- The Pentagon is holding to its F-35A sustainment target cost of $25,000 per flying hour by fiscal year 2025, despite multiple internal assessments that argue the goal is not achievable. “No one’s told me yet that I can’t get there,” Under Secretary of Defense for Sustainment Robert McMahon told reporters Thursday at the Air Force’s Life-Cycle Industry Day here. “We’re creating the teams; they’re focused on specific lines of effort that have a direct and immediate impact...