As P-35 Joint Strike Fighter development regains stride, program managers are beginning to be more upbeat about the flight-test effort. But questions regarding per-unit cost are likely to continue casting a shadow over the $380 billion project for some time to come. Last year passed with a slow pace for flight trials—notably for the U.S. Marine Corps version. But now the project seems to be stabilizing as managers prepare to brief Pentagon procurement chief Ashton Carter on.progress implementing the restructuring announced earlier this year; the Pentagon extended flight testing to 2016, delaying in-service dates.
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